Juan Ortiz, 67, (L) and his eighteen-month-old grandson Joshua Lopez wait in line at a health insurance enrolment event in Commerce, California March 31, 2014. U.S. President Barack Obama's embattled U.S. healthcare law, having survived a rollout marred by technology failures, reaches a milestone on Monday with the end of its first enrolment wave, and with the administration likely to come close to its goal of signing up 7 million people in private health insurance. More than 1 million people have signed up for Obamacare in California, according to the Los Angeles Times. REUTERS/Lucy Nicholson (UNITED STATES - Tags: HEALTH POLITICS)

People wait in line to sign up for health insurance at an enrolment event in Commerce, California March 31, 2014. U.S. President Barack Obama's embattled U.S. healthcare law, having survived a rollout marred by technology failures, reaches a milestone on Monday with the end of its first enrolment wave, and with the administration likely to come close to its goal of signing up 7 million people in private health insurance. More than 1 million people have signed up for Obamacare in California, according to the Los Angeles Times. REUTERS/Lucy Nicholson (UNITED STATES - Tags: HEALTH POLITICS)

Enrique Gonzalez, 22, (L-R), Janet Regalado, 21, and their nine-month-old daughter Kayleen Gonzalez pose for a photo after signing up for health insurance at an enrolment event in Commerce, California March 31, 2014. U.S. President Barack Obama's embattled U.S. healthcare law, having survived a rollout marred by technology failures, reaches a milestone on Monday with the end of its first enrolment wave, and with the administration likely to come close to its goal of signing up 7 million people in private health insurance. More than 1 million people have signed up for Obamacare in California, according to the Los Angeles Times. REUTERS/Lucy Nicholson (UNITED STATES - Tags: HEALTH POLITICS)

Arminda Murillo, 54, reads a leaflet at a health insurance enrollment event in Cudahy, California March 27, 2014. More than 6 million people have now signed up for private insurance plans under President Barack Obama's signature healthcare law known as Obamacare, reflecting a surge in enrollments days before the March 31 deadline, the White House said on Thursday. More than 1 million people have signed up for Obamacare in California, according to the Los Angeles Times. REUTERS/Lucy Nicholson (UNITED STATES - Tags: HEALTH POLITICS)

People read pamphlets as they wait in line at a health insurance enrollment event in Cudahy, California March 27, 2014. More than 6 million people have now signed up for private insurance plans under President Barack Obama's signature healthcare law known as Obamacare, reflecting a surge in enrollments days before the March 31 deadline, the White House said on Thursday. More than 1 million people have signed up for Obamacare in California, according to the Los Angeles Times. REUTERS/Lucy Nicholson (UNITED STATES - Tags: HEALTH POLITICS)

A woman holds up a sign to call for the next person in line at a health insurance enrollment event in Cudahy, California March 27, 2014. More than 6 million people have now signed up for private insurance plans under President Barack Obama's signature healthcare law known as Obamacare, reflecting a surge in enrollments days before the March 31 deadline, the White House said on Thursday. More than 1 million people have signed up for Obamacare in California, according to the Los Angeles Times. REUTERS/Lucy Nicholson (UNITED STATES - Tags: HEALTH POLITICS)

Mary Estrada, 29, holds her six-month-old daughter Lucille Estrada as she looks into signing up for health insurance at a health insurance enrollment event in Cudahy, California March 27, 2014. More than 6 million people have now signed up for private insurance plans under President Barack Obama's signature healthcare law known as Obamacare, reflecting a surge in enrollments days before the March 31 deadline, the White House said on Thursday. More than 1 million people have signed up for Obamacare in California, according to the Los Angeles Times. REUTERS/Lucy Nicholson (UNITED STATES - Tags: HEALTH POLITICS)

Jesus Dominguez, 63, who does not have health insurance, reads a pamphlet at a health insurance enrollment event in Cudahy, California March 27, 2014. More than 6 million people have now signed up for private insurance plans under President Barack Obama's signature healthcare law also known as Obamacare, reflecting a surge in enrollments days before the March 31 deadline, the White House said on Thursday. More than 1 million people have signed up for Obamacare in California, according to the Los Angeles Times. REUTERS/Lucy Nicholson (UNITED STATES - Tags: HEALTH POLITICS)

Maria Alvarado, 30, holds her 10-month-old son Kevin Rios as she waits in line at a health insurance enrollment event in Cudahy, California March 27, 2014. More than 6 million people have now signed up for private insurance plans under President Barack Obama's signature healthcare law known as Obamacare, reflecting a surge in enrollments days before the March 31 deadline, the White House said on Thursday. More than 1 million people have signed up for Obamacare in California, according to the Los Angeles Times. REUTERS/Lucy Nicholson (UNITED STATES - Tags: HEALTH POLITICS)

People wait in line at a health insurance enrollment event in Cudahy, California March 27, 2014. More than 6 million people have now signed up for private insurance plans under President Barack Obama's signature healthcare law known as Obamacare, reflecting a surge in enrollments days before the March 31 deadline, the White House said on Thursday. More than 1 million people have signed up for Obamacare in California, according to the Los Angeles Times. REUTERS/Lucy Nicholson (UNITED STATES - Tags: HEALTH POLITICS)

Enrique Gonzalez, 22, (L-R), Janet Regalado, 21, and their nine-month-old daughter Kayleen Gonzalez pose for a photo after signing up for health insurance at an enrolment event in Commerce, California March 31, 2014. U.S. President Barack Obama's embattled U.S. healthcare law, having survived a rollout marred by technology failures, reaches a milestone on Monday with the end of its first enrolment wave, and with the administration likely to come close to its goal of signing up 7 million people in private health insurance. More than 1 million people have signed up for Obamacare in California, according to the Los Angeles Times. REUTERS/Lucy Nicholson (UNITED STATES - Tags: HEALTH POLITICS)

People wait in line at a health insurance enrollment event in Cudahy, California March 27, 2014. More than 6 million people have now signed up for private insurance plans under President Barack Obama's signature healthcare law known as Obamacare, reflecting a surge in enrollments days before the March 31 deadline, the White House said on Thursday. More than 1 million people have signed up for Obamacare in California, according to the Los Angeles Times. REUTERS/Lucy Nicholson (UNITED STATES - Tags: HEALTH POLITICS)

Six-month-old Hazel Garcia chews a pamphlet at a health insurance enrollment event in Cudahy, California March 27, 2014. More than 6 million people have now signed up for private insurance plans under President Barack Obama's signature healthcare law known as Obamacare, reflecting a surge in enrollments days before the March 31 deadline, the White House said on Thursday. More than 1 million people have signed up for Obamacare in California, according to the Los Angeles Times. REUTERS/Lucy Nicholson (UNITED STATES - Tags: HEALTH POLITICS TPX IMAGES OF THE DAY)

Julian Gomez (R) explains Obamacare to people at a health insurance enrolment event in Commerce, California March 31, 2014. U.S. President Barack Obama's embattled U.S. healthcare law, having survived a rollout marred by technology failures, reaches a milestone on Monday with the end of its first enrolment wave, and with the administration likely to come close to its goal of signing up 7 million people in private health insurance. More than 1 million people have signed up for Obamacare in California, according to the Los Angeles Times. REUTERS/Lucy Nicholson (UNITED STATES)

A boy waits in line at a health insurance enrollment event in Cudahy, California March 27, 2014. More than 6 million people have now signed up for private insurance plans under President Barack Obama's signature healthcare law known as Obamacare, reflecting a surge in enrollments days before the March 31 deadline, the White House said on Thursday. More than 1 million people have signed up for Obamacare in California, according to the Los Angeles Times. REUTERS/Lucy Nicholson (UNITED STATES - Tags: HEALTH POLITICS)