Afternoon News Bytes: March 7, 2012

Extreme Poverty In The U.S. Has Doubled In The Last 15 Years; Veteran Poverty By The Numbers; UN Humanitarian Chief Arrives In Damascus; A Curious Exit Poll You Might Have Missed Last Week; Something New Is Happening In Greece; Rush Limbaugh And The Poisoning Of The GOP Brand; We're Underestimating The Risk Of Human Extinction; New Atheists Promote Bible Study?; More Than Two Dozen Vermont Communities Vote To End Corporate Personhood; Keystone XL Tar Sands Pipeline Won't Ease Gas Prices; Senate Must Reject It (OPINION).