'Going cliffing'? Fiscal cliff negotiations on the last day of 2012

Top Talkers: The Morning Joe panel – including former RNC Chair Michael Steele, Columbia University’s Jeffrey Sachs, the Huffington Post's Sam Stein, the Council on Foreign Relations' Dan Senor and fmr. Gov. Ed Rendell, D-Pa., -- discusses the latest in the fiscal cliff negotiations on the last day of 2012.