5 Things to Know This Morning

April 23, 2014— -- Your look at the five biggest and most buzz-worthy stories of the morning.

1. Stephen Colbert Nearly Worked for David Letterman – Twice

Stephen Colbert almost worked for David Letterman – twice. Colbert, who will take over for the retiring Letterman on CBS’ “Late Show” next year, discussed the duo’s missed connections Tuesday, his first appearance on the program since he was selected as Letterman’s replacement. Good Morning America co-anchor Robin Roberts also appeared on the program, discussing her medical obstacles and her new book, “Everybody’s Got Something.” Following her appearance, she had a parting message for Letterman.

2. Jet Stowaway Undetected for Hours Before Departure
A 15-year-old stowaway who survived a flight over the Pacific in a jet's wheel well spent seven hours undetected in what is supposed to be a highly secure area of San Jose International Airport before the flight departed, according to an official briefed on the investigation.

3. Pujols Slugs His 500th Home Run

Albert Pujols has entered baseball immortality. The Los Angeles Angels' first baseman slugged two home runs against the Washington Nationals Tuesday, the 499th and 500th of his career – making him the 26th player in major league history to reach the milestone.

4. Object of Interest Washes Ashore During Search for Missing Flight MH370
An unidentified object washed ashore in Australia, and investigators are trying to determine if the object is related to Malaysia Airlines Flight 370.

5. Low-Fat Doughnuts Really Do Exist
If you could eat doughnuts without the guilt, would you? Turns out, you can, almost. And there's still a pinch of guilt, but only about one-fourth of the guilt you would experience after eating a typical doughnut.