Sheelah Kolhatkar

The Girl Next Door

Christie Hefner, the CEO of Playboy Enterprises-the magazine, television, internet, and casino empire-on defending a brand that's under siege, getting into politics, and why she'll never wear the Playboy bunny.

"I'm Not an Idiot, You Know?"

Katie Couric talks about the future of the network newscast. (Hint: It's not on TV.)

Mayor Bloomberg's Delicate Condition

The company that bears this billionaire politician's name is facing a suit charging it with discrimination against pregnant workers.

Wall Street's Most Powerful Woman

And why she might not rise higher than Lehman's C.F.O.