Politics 'n' entertainment news: Spinal Tap, Willie's light sentence, Myspace

The original lineup of Spinal Tap is reuniting to play this summer's Live Earth concert in London, and This Is Spinal Tap director Rob Reiner—also an longtime environmental activist—will be on hand. Perhaps he can calculate how that super-heavy three-bass action impacts global climate change. (Associated Press)

Willie Nelson, America's elder statesman of recreational drugs, is getting off with fines and probation after being caught with marijuana and mushrooms. (Associated Press)

MySpace is launching what it hopes will become a reality series that finds promising young politicians. (The producer is already calling it "the American Idol of political action," so you don't have to.) Will the winner get massive campaign contributions from Rupert Murdoch? Sort of, actually, in the form of a $1 million prize. (Variety)