Members of ADAPT, a grassroots disability rights group that supports Obamacare, march in Washington during the U.S. government shutdown October 1, 2013. The U.S. government partially shutdown for the first time in 17 years on Tuesday as a standoff between President Barack Obama and congressional Republicans over healthcare reforms closed many government offices, museums and national parks and slowed everything from trade negotiations to medical research. REUTERS/Gary Cameron (UNITED STATES - Tags: POLITICS BUSINESS CIVIL UNREST HEALTH)