Republican presidential candidate US Senator John McCain (R-AZ) speaks after receiving the endorsement of former primary rival Mitt Romney, right, at Romney's campaign headquarters in Boston, Massachusetts February 14, 2008. Romney asked his 200-plus delegates to vote for McCain at the Republican convention this summer.
Republican presidential candidate US Senator John McCain (R-AZ) receives the endorsement of former primary rival Mitt Romney, right, at Romney's campaign headquarters in Boston, Massachusetts, February 14, 2008. Romney asked his 200-plus delegates to vote for McCain at the Republican convention this summer.
Republican presidential candidate US Senator John McCain (R-AZ) tries to quieten down reporters asking "Is this the ticket?" after receiving the endorsement of former primary rival Mitt Romney, right, at Romney's campaign headquarters in Boston, Massachusetts, February 14, 2008. Romney asked his 200-plus delegates to vote for McCain at the Republican convention this summer.
Republican presidential candidate US Senator John McCain (R-AZ) speaks after receiving the endorsement of former primary rival Mitt Romney, right, at Romney's campaign headquarters in Boston, Massachusetts February 14, 2008. Romney asked his 200-plus delegates to vote for McCain at the Republican convention this summer.
Republican presidential candidate US Senator John McCain (R-AZ) speaks after receiving the endorsement of former primary rival Mitt Romney, right, at Romney's campaign headquarters in Boston, Massachusetts, February 14, 2008. Romeny asked his 200-plus delegates to vote for McCain at the Republican convention this summer.