In response, President Donald Trump slammed the idea on Twitter - but back in 2012, he'd described the Electoral College as a "disaster for our democracy".
"The Democrats are getting very 'strange.' They now want to change the voting age to 16, abolish the Electoral College, and Increase significantly the number of Supreme Court Justices".
But Warren's comments Monday during a MS town hall broadcast on CNN represent her most straightforward endorsement of an end to the electoral college system.
A second Democratic presidential contender, former Texas Rep. Beto O'Rourke, addressed the issue while speaking to students at Penn State University on Tuesday.More news: Cookstown St Patrick’s Day: three teenagers die after ‘crush’ at hotel party
Trump acknowledged his change in position in his Tuesday night tweets. Big on their list is abolishing the US Electoral College - letting the popular vote determine who's elected president. Mayor Pete Buttigieg of South Bend, Indiana, tweeted a clip of him saying the Electoral College "has got to go".
"I think one of the distinctions is I have a background of having been a leader, and I think that the voters are going to decide who will be the next commander and chief, the President of the Untied States, based on experience of leading", said Harris.
That idea has member states pledge their Electoral College votes to the victor of the national popular vote. O'Rourke suggested a constitutional amendment to award the presidency to the victor of the popular vote. A combined total of 181 Electoral Votes have committed to the pact with the addition of Colorado last week. During Barack Obama's presidency, many predicted he may benefit from an Electoral College advantage.
Critics say the Electoral College focuses attention on a handful of swing states at the expense of candidates campaigning throughout the country.
"Campaigning for the Popular Vote is much easier & different than campaigning for the Electoral College". O'Rourke's campaign later corrected the average donation size, saying it was actually $48.