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Reach out and touch someone: Romney taps Perry during the debate

Republican presidential candidates former Massachusetts Gov. Mitt Romney, left, and Texas Gov. Rick Perry interact during a Republican presidential debate Tuesday, Oct. 18, 2011, in Las Vegas.

Last night's debate was arguably the most contentious yet, and maybe the first in which a candidate actually reached out and touched an opponent during the televised event.

Round up of the coverage on First Read. Story: Romney and Perry spar (with video)

Full story: Cain still leading Romney in the polls

In a previous debate, Perry appeared to scold Ron Paul during a break.

Mario Anzuoni / Reuters

Texas Governor Rick Perry, left, talks during a break with Rep. Ron Paul on stage at the GOPl primary debate at the Ronald Reagan Presidential Library in Simi Valley, California Sept. 7, 2011.