Matthew Cooper, a contributing editor of the Washington Monthly, is a national correspondent for Newsweek. His Web site is matthewcooper.com.

Harry Shearer performs many of the voices on The Simpsons. He is also a weekly commentator on ABC TV's World News Now and has a nationally syndicated radio program called Le Show.

Tim Carvell is a senior writer at Entertainment Weekly.

David Shayne is the associate editor of Mad magazine.

Johnette Howard is a sports columnist for New York Newsday. This week she files from Sydney, Australia.

Natalie Angier is a science writer for the New York Times and the author of Woman: An Intimate Geography.

Jonathan Mahler is a contributing writer for the New York Times Magazine and the author of The Challenge: Hamdan v. Rumsfeld and the Fight Over Presidential Power.

Christopher Caldwell is a senior editor at the Weekly Standard. His book Reflections on the Revolution in Europe: Immigration, Islam and the West will be published in the United States in July.

Hanna Rosin is the author of The End of Men, a co-founder of Slate's DoubleX and a senior editor at the Atlantic. She can be reached at hanna.rosin@gmail.com. Follow her on Twitter or Facebook or visit her website.

Jennifer Mendelsohn is a free-lance writer based in Baltimore. Visit her Web site at jennifermendelsohn.com.

Daniel Mendelsohn is an award-winning author, critic, and translator. His two-volume translation of C. P. Cafavy’s poems will be published this May in paperback.

David Edelstein is Slate's film critic. You can read his reviews in "Reel Time" and in "Movies." He can be contacted at slatemovies@slate.com.

Lynda Obst is producer of How To Lose in a Guy in 10 Days and author of Hello, He Lied.

Missing Autor Bio

Dahlia Lithwick writes about the courts and the law for Slate.

Marjorie Williams (1958-2005) was a Washington Post op-ed columnist and a contributing editor at Vanity Fair.

Joel Achenbach is a reporter for the Washington Post and the author of the new book, A Hole at the Bottom of the Sea: The Race to Kill the BP Oil Gusher.

Dan Kennedy teaches journalism at Northeastern University, writes the blog Media Nation, and edits Little People of America's Web site, LPA Online.

Emily Yoffe is a regular Slate contributor. She writes the Dear Prudence and Human Guinea Pig columns. You can send Dear Prudence questions for publication to prudence@slate.com. (Questions may be edited.) Subscribe to Emily Yoffe's Facebook page.

David Frum is a senior fellow at the Manhattan Institute and a contributing editor to the Weekly Standard. He is author of What's Right.