1. WHO’S UP NEXT IN PICKING A DEMOCRAT
Oregon and Kentucky line up to vote in the Democratic presidential nominating contest, while the pall of a divisive state party convention in Nevada hangs over the race.
2. WHAT’S AT STAKE IN SYRIAN TALKS
World and regional powers meet in Vienna to overcome substantial divisions among Syrian factions that have claimed hundreds of thousands of lives and displaced millions since violence turned to war five years ago.
3. FEDS TO VOTE ON PROBABLE CAUSE OF DEADLY AMTRAK DERAILMENT