A spit-take scoop from USA Today: CBS arranged for a confidential source to talk with Joe Lockhart, a top aide to Democratic presidential candidate John Kerry, after the source provided the network with the now-disputed documents about President Bush's service in the Texas National Guard. Lockhart, the former press secretary to President Clinton, said a female producer talked to him about the 60 Minutes program a few days before it aired on Sept. 8. She gave Lockhart a telephone number and asked him to call Bill Burkett, a former Texas National Guard officer who gave CBS the documents. Lockhart couldn't...