Clinton and Sanders will compete in another primary contest on May 17
Clinton leads the polls by double digits over Bernie Sanders, even if nationwide surveys put them neck and neck
Clinton leads Sanders by double digits in New York, her adopted home state which votes April 19
Local television channel NY1 will co-sponsor the showdown
The trio of western caucuses marks a chance for Vermont Senator Sanders
Early results indicated that Sanders was leading the Democratic frontrunner by a whopping 50 percent
Trump helped lead the drive to raise doubts about Obama's citizenship