New York City Mayor Bill de BlasioBill de BlasioOvernight Health Care — Presented by Carequest — Boosters take a big step forward New York subway rider says officers pushed him after he asked they wear masks NYC extends vaccine mandate to expand to all public workers, ends test-out MORE (D) urged Sen. Elizabeth WarrenElizabeth WarrenOn The Money — Democrats eye tough choices as deadline looms Under pressure, Democrats cut back spending Progressives push back on decision to shrink Biden's paid family leave program MORE (D-Mass.) to endorse Sen. Bernie SandersBernie SandersUnder pressure, Democrats cut back spending The Memo: Cuts to big bill vex Democrats Democrats say they're committed to reducing emissions in Biden plan MORE’s (I-Vt.) presidential campaign Tuesday, claiming Sanders would have done the same if the situation were reversed.
Warren said she would not immediately be endorsing a candidate when she ended her campaign last week.
“I deeply respect @ewarren. Our nation + our party is better + more progressive because of her leadership. Now our progressive movement needs her more than ever,” de Blasio tweeted Tuesday. “Senator, if the shoe were on the other foot @BernieSanders would have already endorsed you. We have.”
I deeply respect @ewarren. Our nation + our party are better + more progressive because of her leadership. Now our progressive movement needs her more than ever. Senator, if the shoe was on the other foot @BernieSanders would have endorsed you already. Please join us!— Bill de Blasio (@BilldeBlasio) March 10, 2020
De Blasio, who ended his own presidential campaign in September, endorsed Sanders last month.
Several other former White House hopefuls have backed former Vice President Joe BidenJoe Biden White House: US has donated 200 million COVID-19 vaccines around the world Police recommend charges against four over Sinema bathroom protest K Street revenues boom MORE in what has become a two-person race, including former Rep. Beto O’Rourke (D-Texas), former South Bend, Ind., Mayor Pete ButtigiegPete ButtigiegEmanuel to take hot seat in Senate confirmation hearing The Hill's Morning Report - Presented by Uber - Build Back Better items on chopping block Buttigieg says delay in climate action will cost lives amid reports of Manchin roadblock MORE, and Sens. Kamala HarrisKamala HarrisMcAuliffe rolls out ad featuring Obama ahead of campaign stop McAuliffe, Youngkin tied less than two weeks out from Virginia's Election Day: poll Are supply chain disruptions the beginning of the end of globalization? MORE (D-Calif.), Cory BookerCory BookerProgressives push back on decision to shrink Biden's paid family leave program Emanuel to take hot seat in Senate confirmation hearing Senate GOP signals they'll help bail out Biden's Fed chair MORE (D-N.J.) and Amy KlobucharAmy KlobucharGOP blocks Senate Democrats' revised elections bill Progressives push back on decision to shrink Biden's paid family leave program The Hill's 12:30 Report - Presented by Altria - Biden holds meetings to resurrect his spending plan MORE (D-Minn.).
Biden has a lead in pledged delegates after a strong finish in South Carolina and last week's 15 Super Tuesday races.
Six more states are holding primary races Tuesday, including the 2020 general election battleground state of Michigan.