Mexican President Calderon Makes State Visit To White House

WASHINGTON - MAY 19: U.S. first lady Michelle Obama (R) and Mexican first lady Margarita Zavala listen to each countries' national anthem during a welcoming ceremony on the South Lawn of the White House May 19, 2010 in Washington, DC. Calderon and Obama are expected to talk about immigration policy, the drug war that has left thousands dead since Calderon became president in 2006 and trade between the two nations. (Photo by Chip Somodevilla/Getty Images)