...The emails reviewed by the AP offered an unusual, behind-the-scenes glimpse of the interpersonal relationship between Ryan and Walker. Although as a congressman Ryan's emails are exempt from disclosure under the U.S. Freedom of Information Act, messages sent by Ryan or his aides to Walker or the governor's staff are subject to Wisconsin's open records law. The week after Ryan was tapped as Romney's vice presidential candidate, the AP requested all such emails since Walker was elected in November 2010. It received 1,037 pages of them late Friday....