"They are going to take it away from 'Crazy Bernie,' they are not going to let him win," the president said during a visit to India. "I actually think he would be tougher than most of the other candidates because he is like me, but I have a much bigger base."
Though from different ends of the political spectrum, both Trump and Sanders have been party outsiders who promote themselves as outspoken individuals standing up to the establishment.
Celebrating his win in Nevada, Sanders said his "multi-generational, multi-racial coalition" was "going to sweep this country." Sanders's progressive policies, including universal health care, higher taxes on the wealthy and an increase in the minimum wage, have struck a chord with Democrat voters.