Penn State football coach Joe Paterno died Sunday at the age of 85. The legendary coach's reputation was deeply tarnished after sex abuse charges were filed against a former assistant coach. Writers and fans continue to debate how Paterno should be remembered.
President Barack Obama delivers his third State of the Union speech in the House chambers Tuesday night. In his 2012 address, he is expected to focus on jobs and the government's efforts to boost the economy and reduce economic inequality.
President Obama rejected Wednesday a proposal to build the Keystone XL oil pipeline from Canada to the U.S. Gulf Coast — generating intense debate in both countries. Murray Mandryk, political columnist for the Leader-Post of Sasketchewan, offers a Canadian perspective on the controversy.
Scientists have confirmed that rocks collected recently in the Moroccan desert came from the Red Planet. University of Alberta meteorite expert Chris Herd, who has acquired one of the chunks, talks about how scientists analyze space rocks, and whether organic compounds might be found inside.