Former vice president and presidential hopeful Joe Biden told a voter who pressed him on climate change to "go vote for someone else" and then wrongfully accused him of supporting Sen. Bernie Sanders (I., Vt.). 
Former South Bend mayor and presidential hopeful Pete Buttigieg told a “proud pro-life Democrat” he did not think there was room for any compromise on the issue of abortion.
Former presidential candidate Hillary Clinton would not commit to endorsing Sen. Bernie Sanders (I., Vt.) if he wins the Democratic nomination, calling him an unpopular “career politician.”
Underperforming presidential candidate Sen. Elizabeth Warren (D., Mass.) has portrayed herself as a bipartisan dealmaker by taking credit for sponsoring bills she ultimately voted against. 
Democratic presidential candidate Joe Biden said during Tuesday's debate that he could not afford childcare during his early Senate days, despite making the modern equivalent of a quarter of a million dollars per year. 
Tuesday night's Democratic primary debate in Des Moines, Iowa will feature just six candidates: former vice president Joe Biden, Sen. Elizabeth Warren (Mass.), Sen. Bernie Sanders (I., Vt.), Sen. Amy Klobuchar (Minn.), unemployed 37-year-old Pete Buttigieg, and billionaire tycoon Tom Steyer. All of them are white, a fact that some Democrats, primarily journalists, consider to be problematic. 
Democratic presidential candidate Bernie Sanders dismissed his past anti-immigration stances as old news despite championing them as late as June 2015. 
Washington Free Beacon founding editor Matthew Continetti on Monday responded to the news of Sen. Cory Booker (D., N.J.) ending his presidential campaign as not being the senator's "Spartacus" moment. 
Former Obama administration cabinet official Julián Castro announced Thursday he would end his 2020 presidential campaign. 
The chairman of the Texas Coalition of Black Democrats alleged racial bias played a part in the Democratic Senate Campaign Committee's (DSCC) recent endorsement of Texas Senate candidate MJ Hegar. 