See the rest of Slate's Fitness Issue.
Also in Slate's Fitness issue, Emily Yoffe gets shredded by Jillian Michaels and coddled by Jack LaLanne and our foreign correspondents reveal the latest global workout trends.
Why Bernie Sanders Is the Left’s Ron Paul He isn’t going to win his party’s nomination, but his popularity still matters.
The XX Factor
Michael Eisner’s Comment That Beautiful Women Aren’t Funny Says More About Eisner Than Women
Colbert’s New Late Show Marquee Is the Best Pizza Ad Ever. Update: The Pizza Place Reacts.
The Reddit Blackout Isn’t About One Fired Employee. It’s About a Dysfunctional Relationship at Reddit’s Core.