The racing starts on Saturday, but the fireworks have already begun.

At a Sacramento press conference intended to focus on all the good things about the Tour of California, the comeback of Lance Armstrong, and the strongest field of riders to ever race in America, the comments of one European journalist set Lance off...big time.

Paul Kimmage, a writer for the Sunday Times of London, has long been an adversary of Armstrong. When Kimmage asked Lance, in front of the assembled media, about why he "admired dopers" like David Millar, Floyd Landis and Ivan Basso...Lance launched.

The following video shows what happens when you make Lance mad.