Is Vladimir Putin Taking Sides in the Presidential Election?

The nation has been here before: Operatives apparently working undercover for a paranoid President break into the Washington headquarters of the Democratic National Committee months before the party convenes to select its presidential nominee. The breach is detected, and—at least in 1972, the first time this happened—the fuse is lit on a slow--building, world--shaking scandal named for the scene of the crime: Watergate.