Nightline

Questions arise from a self-help guru's deadly treatments.

There are stark differences in the reaction to the Amanda Knox verdict.

22-year-old American college student sentenced to 26 years in prison.

Find out how to crash the hottest parties.

After years crafting his persona, Tiger Woods must regain the public trust.

The President outlines his plans for the war in Afghanistan.

Tiger Woods is at the center of his first scandal.

Chef George Mendes whips up something special for the holiday.

A Christian crusade for teens to dress in less provocative clothing.

The domestic diva takes on childhood obesity.

The inside story of an affair for a prominent conservative senator.

Oprah Winfrey begins an 18-month good-bye to her audience.

From domestic diva to media mogul to ex-con.