Here's the link, btw
http://news.bbc.co.uk/1/hi/world/americas/6732379.stm
Good news, but prob. won't get anywhere.
He's vetoed a stem cell bill before, he's said he'll veto this one.
Unlikely for Congress to overrule it if he does veto it... would require a 2/3 majority in both the House & the Senate.