CHARLESTON, S.C. - Sen. Lindsey Graham said Friday that the U.S. must commit 20,000 more troops to Iraq if that nation's fledgling democracy is to survive. "If I didn't believe the Iraqi people were still willing to get this right and could get this right, I would not ask one person to go," the South Carolina Republican said following a trip to Iraq. "And I would ask that those who are there come home because I know they are in danger." "I believe we can still salvage this and I believe it enough to put more Americans into the fight,"...