"The Democrats are pretty united on the direction they want to go," Representative Peter Welch said.
But the most likely scenario, with odds of three in five, is that no candidate will manage to secure an outright majority of pledged delegates.
RAICES said it decided to "break down" the immigration policies of five key candidates since the subject has failed to get air time at debates.
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.
Fourteen states and one territory will head to the polls on Tuesday, March 3 to vote for their preferred candidate.
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.
"He's looking forward to Super Thursday," Trump said about Biden, referring to a comment Biden made to a crowd in Texas on Monday.
The FiveThirtyEight forecast currently holds a 64 percent chance that no candidate will achieve a majority of pledged delegates before the convention.
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.
"Families are still locked up at the border without medical care," RAICES Associate Vice President of Advocacy Ana Maria Rea said.
"It's impossible for him to continue as a viable candidate with a chance of collecting delegates if he doesn't do so on Super Tuesday," one Democratic strategist told Newsweek.
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.
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.
For Democratic primary voters who are still unsure, this quiz can help you decide which candidate to vote for on Super Tuesday.
Biden's entire advertising campaign in Super Tuesday states is $625,000 while Bloomberg has invested over $218 million.
Sanders is way ahead of all Democratic candidates in California, which has 415 delegates at stake.
Americans are understandably bruised by election tampering. But mistrusting the process itself does not make our democracy any stronger.
Super Tuesday—when voters in 14 states and one U.S. territory go to the polls—could see the Vermont senator establish an unassailable lead.
Thousands of supporters gathered at the Colorado Convention Center in Denver as the Vermont senator made a campaign stop ahead of next month's Super Tuesday primary in Colorado.
In a rare Republican rebuke of President Donald Trump, Vermont Governor Phil Scott endorsed challenger Bill Weld in the upcoming March 3 state primary.
How to watch Vermont Senator Bernie Sanders' Texas campaign stop, as the candidate leads the Democratic presidential candidates.
The forum is the first since Donald Trump scored multi-state wins on Super Tuesday.
The retired neurosurgeon failed to win any state that voted on Super Tuesday.