10 Things to Know for Tuesday

Your daily look at late-breaking news, upcoming events and the stories that will be talked about Tuesday:

1. PORTRAITS OF TEXAS GUNMEN EMERGE

One of the men had been on the radar of law enforcement for years for possible terror ties — but authorities say they had no indication he was plotting an attack.

2. HOW FIORINA, CARSON ARE TOUTING THEIR PRESIDENTIAL CANDIDACIES

Both of the Republicans are highlighting the possibility that they can help the party expand its appeal among an increasingly diverse electorate.

3. TSARNAEV DROPS IMPASSIVE DEMEANOR

The Boston Marathon bomber cries as his sobbing aunt briefly takes the stand in his federal death penalty trial.

Her lawyer tells lawmakers that she's willing to testify once on Capitol Hill later this month about the Benghazi attacks and her email practices.

5. OBAMA PICKS MARINE TO CHAIR JOINT CHIEFS

Gen. Joseph Dunford Jr. gained attention in 2013 when he was chosen to take over the job as top U.S. military commander in Afghanistan.

6. WHO'S BEING PUSHED ASIDE BY PARTY HE HELPED FOUND

French far-right leader Jean-Marie Le Pen has been suspended by his own National Front after a series of controversial remarks about Jews and Nazis.

David Goldberg apparently slipped off a treadmill at a Mexican resort and struck his head. He ran SurveyMonkey, an online survey business, and was married to Facebook executive Sheryl Sandberg.

8. WHY SURF'S UP — AND THEN SOME — IN SOUTHERN CALIFORNIA

A recent storm off New Zealand triggered powerful swells that pushed waves as high as 15 feet toward the U.S. West Coast, thousands of miles away.

9. NEW CACHE OF MARK TWAIN WRITINGS FOUND

The dozens of columns pieced together by scholars at the University of California, Berkeley, were written when Twain was a young newsman in San Francisco.