Britain's Prince Charles (4th L) arrives to meet with members of the U.S. Senate Foreign Relations Committee including Senator Edward Markey (D-MA) (L-R), Senator Cory Gardner (R-CO), Senator Robert Menendez (D-NJ), Senator Tom Udall (D-NM), Senator Johnny Isakson (R-GA), Senator Ben Cardin (D-MD) and Senator Susan Collins (R-ME) at the U.S. Capitol in Washington, March 19 2015. REUTERS/Jonathan Ernst