House Speaker Nancy Pelosi sent her chamber home for the summer recess with a list of talking points to respond to constituents' questions about pending health care legislation. But those traditionally sleepy town hall meetings have become rowdy shout-fests across the nation, including Northern California, with opponents hanging members in effigy and mocking them with Nazi and devil imagery in an effort to derail discussions of health care. They're organized in part by conservative think tanks like FreedomWorks, which offers tips on how to disrupt a meeting ("Watch for an opportunity to yell out and challenge the Rep's statements early,"...