Your daily look at late-breaking news, upcoming events and the stories that will be talked about Tuesday:
1. RAMADI ROUT PUTS US IRAQ STRATEGY UNDER SCRUTINY
The Islamic State group's capture of the provincial capital calls into question the U.S. approach of rebuilding the Iraqi army — and bombing militant targets without committing American ground troops.
2. SOME 170 BIKER GANG MEMBERS FACE CHARGES IN TEXAS SHOOTOUT
The crowd of suspects in the deadly melee in Waco is so large that authorities open a convention center to hold them all.
3.. WHO'S FINALLY GOT A TWITTER ACCOUNT
Using his new @POTUS handle, Obama declares: "Hello, Twitter! It's Barack. Really! Six years in, they're finally giving me my own account."
4. SECURITY EXPERT CLAIMS HE HACKED AIRLINER COMPUTERS
Federal agents are investigating Chris Roberts' claims that he accessed a plane's in-flight systems and caused the aircraft to move sideways.
5. AP BOOK CHRONICLES MARATHON BOMBING, RECOVERY
"The Boston Marathon Bombing: The Long Run from Terror to Revival" charts the city's course from the terrifying blasts to the long road to healing.
6. WHAT FEDERAL INVESTIGATORS WANT IN AMTRAK TRAIN CABS
NTSB officials recommend installing cameras in Amtrak locomotives, which could offer key clues to train crashes like the deadly Philadelphia derailment.
7. DOCTORS' GROUP AIMS TO EASE CANCER SCREENING CONFUSION
The American College of Physicians publishes guidelines to steer patients toward "high-value screening" for five types of tumors.
8. HOW 2 DAREDEVIL WINGSUIT FLIERS DIED
Wearing "flying squirrel" suits, Dean Potter and Graham Hunt jumped from a Yosemite Park cliff but failed to pass through a ridgeline notch and slammed into a rocky outcropping.
9. 'ONE OF THE ALL-TIME GREAT TALK SHOW GUESTS'
That's how the executive producer of the "Late Show" describes Bill Murray, who's making his 44th and final off-kilter appearance on David Letterman's program, one day before it ends.
10. NFL OWNERS TACKLE DEFLATED BALLS, EXTRA POINTS
At their annual spring meetings, team owners will discuss Tom Brady and Deflategate, as well as a plan to change how extra points are attempted.