SEATTLE - Keli Carender has a pierced nose, performs improv comedy, taught low-income adults, has a teaching degree from Oxford University and is familiar with hipster clubs in this solidly Democratic city. She looks like most of her young liberal friends of a few years back who hated Republican George W. Bush and cheered when Democrat Barack Obama won the White House. But there was a warm round of applause for Carender when she rose to speak at a far-right Tea Party rally in the state capital of Olympia last weekend in front of an older group of angry anti-government...