BARABOO -- It was an unlikely declaration, coming from a progressive congressman addressing a progressive crowd. "I want to be an advocate for the tea party," said U.S. Rep. Mark Pocan, opening his speech at Fighting Bob Fest. "Wait, wait — not that one," Pocan said, speaking to the annual gathering of progressives at the Sauk County Fairgrounds. "Not the tea party of Scott Walker and Ron Johnson and Ted Cruz. I’m talking about the real Boston Tea Party, and maybe the need for another real tea party." The Madison Democrat went on to deliver a quick history lesson on...