A memo titled "The Establishment Bets On Joe Biden—It Won't Work" was sent out to supporters ahead of Super Tuesday.
The candidates are battling for a majority of 3,979 pledged delegates, meaning the magic number to secure the nomination is 1,991 delegates.
Since 1984, there has been only one candidate in the Democratic primary who won the primary elections held that day but who lost the nomination.
Former Democratic candidates Pete Buttigieg and Amy Klobuchar have thrown their support to former Vice President Joe Biden while Sanders picked up the endorsement of the political action committee, Democracy for America.
The FiveThirtyEight forecast currently holds a 64 percent chance that no candidate will achieve a majority of pledged delegates before the convention.
Klobuchar and Buttigieg's exit from the crowded field over the past 24 hours have shaken up the dynamics of the race.
The billionaire former New York mayor currently appears to be in third place among Democratic voters, according to recent polls.
Trump will drown out discussion of Bernie's policies by stoking voter paranoia about socialism and communism, mixing facts with lies. And Sanders is uniquely vulnerable to his smears.
Representatives Gil Cisneros and Jennifer Wexton joined a slew of current and former lawmakers in backing the former vice president just ahead of Super Tuesday.
The clock-wearing hype man swears he'll fight the power.
Bloomberg, who received a standing ovation when introduced at AIPAC, demanded bipartisan support for Israel from Democrats but never directly criticized Republicans or President Donald Trump by name.
After the withdrawal from the primary race, speculation is mounting as to whom the South Bend, Indiana mayor's supporters will turn to next.
Twenty-one percent of former South Bend, Indiana Mayor Pete Buttigieg's first-choice supporters said their second pick would be Vermont Sen. Bernie Sanders.
The Vermont senator had a clear lead among several demographics, but was only two points ahead of Biden among black voters.
Israel's ambassador to the United Nations, Danny Danon, declared "we don't want" the Vermont senator--a Jew who previously lived in the country--to be allowed re-entry.
Sanders leads Warren by 2 percentage points, but they are in a statistical tie as the difference is less than the poll's 4.4-point margin of error.
Clear majorities of Democratic voters in both states view socialism positively, while less than 50 percent view capitalism favorably.
The rapper is scheduled to perform at an upcoming Bernie Sanders campaign rally in Los Angeles on Sunday.
"I'm going to do everything I can to defeat Donald Trump," the Democratic presidential front-runner said.
Sanders more than doubled Biden's support among Texas' large constituency of Latino Democrats and Latino independents who lean toward the Democratic Party, amassing 42 percent versus Biden's 18 percent.
"Of the more than 2 million donations we received this month, over 1.4 million were from voters in states that vote on Super Tuesday," campaign manger Faiz Shakir said.
The former Vice President won his first primary contest in three runs for the presidency, giving his campaign a much-needed boost.
Former Vice President had an overwhelming lead over his Democratic primary opponents during the South Carolina primary on Saturday, getting momentum before the upcoming Super Tuesday.
Supporters of Vermont Senator Bernie Sanders' campaign criticized CNN and host Michael Smerconish over a Saturday segment which compared his campaign's rise to that of the coronavirus spreading across the globe.
For Democratic primary voters who are still unsure, this quiz can help you decide which candidate to vote for on Super Tuesday.
"To knock [Sanders] out -- that would be a big surprise, but I think you could make it close enough to go into multiple rounds of voting, particularly if some of the lesser contenders win some primaries," Allan Lichtman told Newsweek.
The former vice president suffered a string of losses in the first three early-voting states to Senator Bernie Sanders, who has claimed the top spot in national polling.
Sanders is way ahead of all Democratic candidates in California, which has 415 delegates at stake.
A sector of moderates in Congress, particularly vulnerable Democrats in swing districts, are beginning to discuss strategies to stop Sanders from appearing at the top of the ticket.