After rampant speculation, Sen. Elizabeth Warren is now formally being vetted by Hillary Clinton’s team as a possible pick for vice president. ABC News cited an unnamed source involved in the process to confirm the news Monday, after Warren campaigned alongside Clinton earlier in the day. Warren, who has publicly slammed Republican candidate Donald Trump for “racism, sexism, and xenophobia,” endorsed Clinton for president in early June. Speculation about Warren’s potential role as a running mate has intensified throughout Clinton’s campaign. The pair would make history as the first two women to lead the White House.