Graham supports an interventionist foreign policy . Graham and his fellow Senators John McCain and Joe Lieberman , who were frequently dubbed " the three amigos " , travelled widely , pushing for American military intervention , particularly after the September 11 attacks . Their influence reached its zenith in 2007 as President Bush advocated for his surge strategy in Iraq , declining shortly before Lieberman retired from the Senate in 2013 . Kelly Ayotte , who joined the Senate in 2011 , has been considered Lieberman 's replacement in the group
September 11 attacks
September 11 attacks
Lindsey Graham