President Barack Obama, Vice President Joe Biden, and Robert A. "Bob" McDonald walk through Lafayette Square to the White House after McDonald was announced as the nominee for Secretary of Veterans Affairs at the Department of Veterans Affairs in Washington, D.C., June 30, 2014.

President Barack Obama, Vice President Joe Biden, and Robert A. "Bob" McDonald walk through Lafayette Square to the White House after McDonald was announced as the nominee for Secretary of Veterans Affairs at the Department of Veterans Affairs in Washington, D.C., June 30, 2014.