BOSTON - Mitt Romney will suspend his presidential campaign, NBC News has learned.
His withdrawal effectively cedes the Republican nomination to Sen. John McCain, R-Ariz.
The former Massachusetts Republican governor has been seriously trailing McCain in the delegate count since Super Tuesday and is scheduled to speaks at the Conservative Political Action Conference at 12:30 p.m. ET today in DC.
Former Gov. Mike Huckabee, R-Ark., remains in the race but trails Romney in the delegate counts....
