Mercury News: There's something disconcerting about life at Lake Tahoe these days.
It's still winter, but visitors are renting bikes instead of snowshoes and kayaks instead of skis. Come summer -- without last-ditch torrential rains -- the lake level is expected to be at such a historic low that some marinas will have to dredge for boats to launch. Jumping off the end of a pier could result in a rock-hard landing.
California's epic drought, entering its perilous fourth year, has combined with a pattern of...