Sanders

As the pair faces off in a high-stakes 11th Democratic debate on Sunday

The showdown in Las Vegas marks one of the most contentious debates so far

Communications blockade in IOK must end immediately, US must boldly support UN-backed resolution: Bernie Sanders

Sanders also will face lingering resentment in some Democratic quarters over the 2016 presidential campaign

Sanders also successfully pushed to include an array of liberal policy positions in the Democratic Party platform

Other prospective running mates include US Labor Secretary Tom Perez and US Housing Secretary Julián Castro

Obama also spoke to Democratic presidential candidate Bernie Sanders

Clinton and Trump are all but assured to be the Democratic and Republican party nominees

Sanders, a self-declared democratic socialist, declared he would not be forced out of the race by narrow Clinton wins

Clinton sees Kentucky as an opportunity to appeal to a demographic that has consistently snubbed her

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