Uber CEO Travis Kalanick announced Tuesday that the San Francisco ride-matching company had hired David Plouffe, the campaign manager for Barack Obama's 2008 presidential campaign, as a senior vice president/campaign manager. This means war -- an epic war -- that will pit Uber and the Obama Whisperer against not only what Kalanick calls "the Big Taxi cartel" but also the giant insurance industry, a friend to both political parties, and the trial lawyer lobby, a key special interest for the Democrats. "I think it's a great fit," Republican political operative Aaron McLear mused. Plouffe "sold a disruptive political candidate to...