"Top Kill" Operation Is Under Way in Attempt to Stop Gulf Oil Leak

It's on. Today the U.S. Coast Guard gave its approval to BP's "top kill" plan to finally cap the oil spill, and at 2 p.m. Eastern time, the company got started. BP leaders warned that it may take a couple of days before they know for sure if it worked, but now say they will maintain the live video feed during the top kill attempt.