Widespread power outages darkened the White House, the U.S. Capitol and other parts of Washington, D.C. An official says a power surge at a Maryland power facility may have been the cause. CBS News correspondent Jeff Pegues reports. Source

Sen. Rand Paul announced his bid for the White House at a rally in Louisville, Kentucky. CBS news political director John Dickerson, elections director Anthony Salvanto and senior political editor Steve Chaggaris join CBSN with a preview of how the GOP field is shaping up for 2016. Source

Supermodel Christie Brinkley was flown back from a vacation in the Turks and Caicos after hurting herself trying to rescue a bird. CBSN’s Meg Oliver and Vladimir Duthiers discuss what she shared on social media. Source

Burger King has offered to pay for a couple’s wedding in Illinois. Joel Burger and Ashley King got engaged and posed for a photo outside a Burger King restaurant. CBSN’s Meg Oliver and Vladimir Duthiers show us how their pending nuptials got the attention of the fast food chain. Source

The NCAA men’s basketball national title is the fifth for both Duke and its Hall of Fame coach, Mike Krzyzewski. Coach K joins “CBS This Morning” from Indianapolis to talk about Duke’s victory. Source

Last June, Cincinnati Bengals player Devon Still’s daughter, Leah, was diagnosed with cancer, and doctors gave her a 50/50 chance of survival. Then Still was cut from his team. But those two moments would turn out to be the start of a surprising and remarkable journey for the father and daughter team. Only on “CBS This Morning,” they open up to Jim Axelrod in their first interview since news of Leah’s remission. Source

Americans spent $2.5 billion on weight loss programs last year alone, but which of the popular diets work best? Dr. Holly Phillips joins “CBS This Morning” to discuss a new Johns Hopkins study. Source

A study released Tuesday morning shows manufacturers could be misleading customers by including a man-made stimulant in products that promote their natural ingredients. Dr. Pieter Cohen of Harvard Medical School, who led the research team, joins “CBS This Morning” to discuss the findings. Source

A new study finds two leading diet programs appear to be more effective than others at helping people lose weight and keep it off for at least 12 months. Don Champion reports. Source

Wellness in the Schools, a non-profit group that runs classroom cooking labs, is making nutrition education fun for kids. CBS News’ Parvati Shallow visited AmPark neighborhood school in the Bronx to witness the action. Source