[h=1]Democrats begin to eat their own as California's Senate leader challenges Dianne Feinstein[/h]
- Sen. Dianne Feinstein announced last week that she would be running for re-election next year - and has already picked up a more liberal challenger
- Democrat Kevin de Leon, leader of the California Senate, announced Sunday he owuld run against Feinstein in the state's Democratic primary
- Feinstein is currently the oldest U.S. senator, but said she still has lots to do, listing gun control, health care and combatting climate change as priorities