Today's Show: Marriage Marches On

At 4:30 ET: The woman who won civil unions and, now, marriage for gays and lesbians in Vermont. Activist and attorney Beth Robinson of Vermont Freedom to Marry has been on the show several times in the past few weeks. She now joins us to celebrate about the big win on marriage in her state and what it means.

At 3:30 ET: Dave Cullen, author of Columbine, a richly detailed book ten-years in the making, joins me to tell you everything you thought about the Columbine shootings was wrong, and how it's even more mind-boggling and scary than you think.