Billionaire activist investor wants to show the door to Yahoo's CEO, while Bill Gates walks away from day-to-day work at Microsoft. Also: A Facebook face-off.

Billionaire activist investor wants to show the door to Yahoo's CEO, while Bill Gates walks away from day-to-day work at Microsoft. Also: A Facebook face-off.

The kids of some of rock and hip-hop's biggest stars face off. The new MTV reality series "Rock the Cradle" looks to see if musical talent is hereditary as the offspring of music icons compete in a weekly singing competition. Premiering Thursday, April 3 at 10 p.m., those taking to the stage include ...