of your daily value of calcium. choose viactiv today. we're back. during the investigation that lasted from 2003 to 2007, federal investigators found out who leaked the identity of cia agent valerie plame. no one was charged in the leak itself, but vice president cheney's chief of staff, scooter libby, was convicted by a jury in washington of like and obstruction of justice. did libby do what he do to protect the bush administration's case for war in iraq and why did he think he would get away it? libby's story is featured in a new book called "tangled webs" that profiles three other famous americans, martha stewart, scooter libby, barry bonds and bernie madoff. let's focus on the actions of vice president cheney's former aide with the great author james stewart, a contributor to "the