12/25/2010 04:59 pm ET Updated May 25, 2011

Obama vs. Mitch McConnell: Who's The Grown-Up?

Obama is now heading toward something of a repeat showdown -- but not with McCain, whose crankiness is undermining his influence. The president's face-off will be with Sen. Mitch McConnell (R-Ky.), the GOP leader in the Senate. And, if Obama gets his wish, the issue again will be: Who's the grown-up here?

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