5 things to watch for on Tuesday

5 things to watch for on Tuesday-thehill: Tuesday marks the latest presidential battleground as challengers look to make their last gasps in the fight against front-runners Donald Trump and Hillary Clinton.  Voters on both sides of the aisle will head to the polls in Arizona and Utah, while Democrats will also vote in Idaho, in races that will help show whether Ted Cruz and Bernie Sanders have any fight left.  Here are five things to watch as results roll in Tuesday night.