5 Things You Should Know This Morning

June 21, 2012— -- Your look at the five biggest and most buzz-worthy stories of the morning.

1. Heat Wave Hits
More than two dozen record highs were reported on Wednesday from the Midwest to the Northeast. Eleven states from Virginia to Maine are under heat warnings or advisories today.

2. George Zimmerman's Reenactment of Trayvon Martin Shooting
Two videos obtained exclusively by ABC News show George Zimmerman – the man charged with shooting unarmed teen Trayvon Marton in Sanford, Florida in February – telling police the events that led up to Martin's death. These are the first videos to be released showing Zimmerman giving his account on camera.

3. People, Zoo Animals Flee Flooding
The city of Duluth, Minnesota is recovering from a freak rainstorm that caused considerable damage. Floodwaters from ten inches of rain knocked homes off their foundations, ripped up roads and drowned more than a dozen animals at the Duluth Zoo.

4. Alec Baldwin Defends Himself on David Letterman
Alec Baldwin – who has been making headlines for lashing out at a photographer after picking up his marriage license on Tuesday – appeared on "The Late Show with David Letterman" on Wednesday night. The actor offered jokes in defense of his meltdown – dropping his pants to show off how much weight he's lost.

5. Larry Ellison Agrees to Buy 98 Percent of Island
Oracle CEO Larry Ellison, one of the world's wealthiest people, is buying his own slice of paradise. He's purchasing Lanai, the sixth largest Hawaiian island. It's 141 square miles with two resort hotels, two championship golf courses… and no stoplights.