tipper gore

Former U.S. Vice President Al Gore was a leading voice in the fight against climate change just three years ago. Now, amid accusations of sexual misconduct, he faces an image problem. Is the environment losing a key spokesman?

There was no tell-all article in a national gossip magazine. No racy photos. No whispering about an unexpected pregnancy. Just an e-mail. After 40 years of marriage, Al and Tipper Gore announced they were calling it quits. The e-mail that announced their split said simply: "After a great deal...