They say what doesn't kill you makes you stronger. That certainly appears to be true for the Red Hot Chili Peppers, whose members have had more lives than a bagful of cats and whose music has withstood the fickle vagaries of the '90s. Putting their own twist on Zen and the Art of Motorcycle Crashing, the band is ending a four-year hiatus and turned two potentially devastating bike collisions into episodes of introspection and re-focus. "I hit a car head-on with my bike on Dead Man's Curve on Sunset Blvd.," explained drummer Chad Smith to Woo ....