With Hillary Clinton having wrapped up the Democratic presidential nomination earlier this week, Sen. Elizabeth Warren (D-Massachusetts), who has long been silent on whether she will endorse Clinton or Bernie Sanders, is expected to announce her endorsement of Clinton, according to Reuters .
A popular figure among progressives, Warren’s name has been floated as a possible running mate for Clinton. Citing “several people familiar with Warren’s thinking,” Reuters reported that Warren is “intrigued” with the possibility of being Clinton’s vice president but the two have not discussed it yet. One of the sources said a concern for Warren about joining Clinton's ticket is whether or not two women could defeat presumptive Republican nominee Donald Trump.
Clinton told Bloomberg  that she and Warren have been in touch throughout the primary season. One thing both of them have in common is a disdain for Wall Street; with so many attempts lately being made to roll back the Dodd-Frank Act and reform the Consumer Financial Protection Bureau (CFPB)—of which Warren was a chief architect—Clinton told Bloomberg that she plans to work with Warren and others on plans for tougher Wall Street regulation.
“One thing that I’m particularly focused on, which I know means a lot to Senator Warren, is protecting the Consumer Protections Bureau and also protecting Dodd-Frank and the regulations that were put on Wall Street after the great recession from the promise to repeal them by Donald Trump,” Clinton told Bloomberg, referring to Trump's recent promise to overhaul Dodd-Frank if he is elected.
In May, both Clinton and Warren sharply criticized Trump  over some comments he made about the housing bubble for an audiobook in 2006, two years before the housing crisis. Trump said of the bubble, “I sort of hope that happens because then people like me would go in and buy. You know if you’re in a good cash position, which I’m in a good cash position today, then people like me would go in and buy like crazy. If there is a bubble burst, as they call it, you know you could make a lot of money.” Clinton accused Trump of “rooting for the crisis” and “devastating millions of families” while Warren called him a “small insecure money-grubber who doesn’t care who gets hurt so long as he makes a profit off it.” In response to the criticism, Trump said he is simply a businessman who was looking to buy low and sell high.
HUD Secretary Julián Castro, who has publicly endorsed Clinton for president, has also been rumored to be a possible running mate for Clinton. Castro told DS News recently, however, that “I fully expect to be back in Texas a year from now.”