What your warm beer says about climate change, why it's time to stop treating politics as a sport, and more

POLITICS WATCH: Rick Perry obliterates targets in NRA convention video By JON TERBUSH This is not an action movie trailer. But it could be. SCIENCE What your warm beer says about climate change By chris gayomali Also: Why you should always use a koozie POLITICS Can Joe Biden save gun control? By HAROLD MAASS The vice president is packing his bags and heading out to get senators to change their minds on background checks ENTERTAINMENT Is Iron Man 3 the best superhero threequel in history? By SCOTT MESLOW From Superman III to The Dark Knight Rises, an in-depth look at how Marvel's latest measures up to its rivals POLITICS It's time to stop treating politics as a sport By DAN STEWART The reality in Washington is far more complicated than lazy comparisons to football might have you believe BUSINESS Are male execs too nervous to mentor young women? By KATE ASHFORD "I wouldn't want to defend myself against an allegation that I did something and the other party is a woman under 30, especially if she's attractive." FROM OUR PARTNERS AT POLITICAL WIRE Joe Biden's 2016 chances: Slim to none? By Taegan Goddard Some Democrats think he's been in Washington far too long to win. And then there's that whole Hillary Clinton thing... FROM OUR PARTNERS AT SLATE Multitasking impairs students' memories By ANNIE MURPHY PAUL If this keeps up, they'll never learn! SEE ALL CARTOONS SLATE WATCH: Key to slowing old age may be in brain POLITICAL WIRE Clinton and Christie to headline event NEWSER Obama is looking especially lame these days SALON A march on Washington with loaded rifles NEW YORK MAGAZINE The economic recovery is for real       Is this email not displaying correctly? View it in your browser.  unsubscribe from this list | update subscription preferences | privacy policy Copyright © 2013 The Week, All rights reserved.