CHICAGO - Malachi Ritscher envisioned his death as one full of purpose. He carefully planned the details, mailed a copy of his apartment key to a friend, created to-do lists for his family. On his Web site, the 52-year-old experimental musician who'd fought with depression even penned his obituary. At 6:30 a.m. on Nov. 3 — four days before an election caused a seismic shift in Washington politics — Ritscher, a frequent anti-war protester, stood by an off-ramp in downtown Chicago near a statue of a giant flame, set up a video camera, doused himself with gasoline and lit himself...