PRESIDENTIAL RACE — Showing few signs of trying to ease the nation's tense political atmosphere, Republican front-runner Donald Trump is standing by his antagonistic campaign rhetoric, rejecting any responsibility for violence at his rallies and defending his supporters who have been charged with assaulting protesters. 

TURKEY EXPLOSION — A suicide car bomb explodes near bus stops in the heart of Turkey's capital, killing at least 34 people and wounding around 125 others. A senior government official tells The Associated Press that police suspect Kurdish militants carried out the attack. 

INTELLIGENCE-GLOBAL TRENDS — Memo from U.S. intelligence officials to the next president: Get ready for a rocky road. Their latest look at the worldwide political landscape and global trends says insecurity will deepen rifts among social classes and religious groups, extremists will consolidate into large-scale networks in many places and sluggish growth in China will drag down the economy. 

IVORY COAST-BEACH ATTACK — At least six armed men attack beachgoers outside three hotels in a historic Ivory Coast resort town, killing at least 14 civilians and sending tourists fleeing. By Robbie Corey-Boulet. 

GERMANWINGS-CRASH — Seeking to ensure that suicidal pilots can't crash their jets, French authorities investigating last year's Germanwings crash are urging new reporting requirements for doctors treating pilots, and new measures to keep pilots from hiding mental health issues. 

GERMANY-ELECTIONS — A nationalist, anti-migration party powers into three German state legislatures in elections held amid divisions over Chancellor Angela Merkel's liberal approach to the refugee crisis, projections showed.