Secretary Clinton was a surprise speaker at the TEDWomen conference in D.C. yesterday. I haven't seen a transcript of her talk yet, but according to the @TEDWomen Twitter feed she said, "Give women equal rights, and an entire nation is more stable, more secure." Here are a couple of other Clinton-related tweets from @TEDWomen:

• Hillary Clinton: Women's issues are a vital interest of the US. It is a security issue, a prosperity issue, a peace issue
• In reviewing a key US defense & diplomacy policy, Hillary Clinton made sure women were represented throughout

Update, Dec. 14, 2010, 5:31 p.m.: Click here for an amusing anecdote Clinton told about how a cow can change a girl's life.