Republican Sen. George Allen, running for re-election in Virginia, can't wriggle out of this one with a Mel Gibson excuse. The conservative lawmaker was cold sober when he deliberately insulted a young man of Indian descent with a racial slur. The man, S.R. Sidarth, was filming video of Allen's appearance at a public Republican rally in Breaks, Va., near the Kentucky border, as part of his work as a campaign volunteer for Allen's Democratic challenger, James Webb. Candidates of both parties commonly film their opponents' public appearances looking for gaffes and other campaign material.Sidarth, 20, was apparently the only person...