Friday's brutal attack on the husband of Speaker Nancy Pelosi (D-Calif.) shocked Congress and the country, pulling the nation's gaze away from the looming midterm elections — if only briefly — and placing it squarely on the plague of political violence that's risen dramatically in recent years.
Paul Pelosi, a wealthy San Francisco investor, is a power broker in his own right. But a source briefed on the confrontation told The Hill the assailant who broke into Pelosi's San Fran...