There are 2.5 million miles of natural gas pipelines in the United States, enough to circle the Earth one hundred times. Last week's deadly explosion near San Francisco raises a troubling question: are Americans living with unacceptable risk? Also, the US steps up drone attacks in Pakistan, and the first state visit by a Pope to Great Britain since the early 1500's. Will he meet with priestly sex-abuse victims? Will he publicly apologize for the worldwide scandal?
Banner image: The remains of a gas line lie on the ground after an explosion September 10, 2010 in San Bruno, California. Photo by Eric Risberg-Pool/Getty Images