A.M. Links: Romney, Santorum, and Paul Take Iowa; Perry Suspends Campaign; Bachmann to Drop Out; McCain to Endorse Romney

• Iowa Caucus: Romney beat Santorum by eight votes. 

• Paul took third, is still pretty happy about it.
• Gingrich got his clock cleaned, vows revenge on mud-slinging Mitt. 
• John McCain to endorse Romney. 
• Rep. Michele Bachmann has cancelled her trip to South Carolina after finishing sixth in the Iowa caucuses. Will likely drop out at presser this morning. 
• Rick Perry has suspended his campaign. 

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New at Reason.tv: "Reason.tv in Iowa: 'We're All Austrians Now' - Ron Paul and the IA Caucus"