California's $5.5 Billion Stem Cell Countdown: Sixty-two Percent Along the Road to the November Ballot

Backers of California's $5.5 billion stem cell research measure this afternoon received a hefty boost as their effort to place the proposal on the November ballot moved dramatically forward. 

The initiative is now 62 percent along the path to reaching voters. That figure emerged when Los Angeles County reported that it has counted 231,196 valid signature…