President Barack Obama's announcement that the last American soldiers would leave Iraq by the end of this year capped a momentous week in which he could also take credit for helping dispatch Colonel Moammar Gadhafi. Guest host Terrence McNally explores what this will mean in next year's elections. Also, moderate Islamists claim victory in Tunisian elections, and a new study headed by a former skeptic offers confirmation of global climate change.
Banner image: President Barack Obama talks with Prime Minister Nouri al-Maliki of Iraq during a secure video teleconference in the Situation Room of the White House, Oct. 21, 2011. Official White House Photo by Pete Souza