Speaking to the press aboard his plane, the South Carolina winner says Clinton's name recognition will help her in the compressed nomination calendar.
"Senator Clinton, I think, has the advantage in a lot of these states," he says of February 5 contests.
Also calls Caroline Kennedy's endorsement "deeply moving," offers thoughts on Monday's State of the Union.
Plus: Talks with CNN about what may lie behind his appeal, while taking some possible veiled shots at the Clintons. Click above to watch.
