AfterElton Briefs: "Mad Men" star Bryan Batt chats with Joy Behar, revealing Adam Lambert's Halloween costume, and more!

Happy Birthday to Isaac Mizrahi. The fashion designer turns 48 today.

Following this assortment of carefully-selected news items, interested readers can find a refreshing pic of a hot man in underwear after the jump. Yes, we're serious.

• Wondering why there are so many anti-gay zealots out there? Well, theonion.com has blown the lid off this particular puzzle.

• In AfterElton Briefs on Monday, October 12, we reported that over 100 theaters nationwide would be reading The Laramie Project to commemorate the 11th anniversary of Matthew Shepard's death. We should have said the theaters were performing The Laramie Project: Ten Years Later, which is an entirely new work. We apologize to the authors, performers, and theaters involved in this undertaking.

• radaronline.com reveals Adam Lambert's Halloween costume this year.

• Above you can see Joy Behar chatting with Dan Savage and out Mad Men star Bryan Batt about President Obama's speech at the HRC dinner. In related and absolutely horrifying news, the terrifyingly fertile Elizabeth Hasselbeck returns to The View on Monday.

• Gossip God Michael Musto applauds out celebs, and has a rude message for those who aren't.

• Finally, esquire.com has come up with an interesting theory as to why vampires have become so popular lately: "Vampires have overwhelmed pop culture because young straight women want to have sex with gay men."

And today's Briefs are brought to you by...

This guy!