The hardy longevity of the Obama birth-conspiracy story shouldn't surprise. This country has long cuddled conspiracies close to its heart. We are a nation that loves tinfoil hats. A few rules to follow in understanding this trend. The bigger the uproar, the more durable the conspiracy. Obama, the first black president and possessor of a funny name, is a natural fit. His boyhood in Indonesia, a Kenyan father, a birth certificate in palm-frond Hawaii, the White House at age 47. Can anyone take his past seriously? The "birthers" don't buy it and suggest you don't either. The week before there...