Elizabeth Warren kicks off presidential bid with challenge to super wealthy and other Democrats

(CNN)Sen. Elizabeth Warren officially launched her 2020 presidential campaign Saturday at a rally in Lawrence, Massachusetts, using the backdrop of Everett Mills — the site of a historic 1912 labor strike led by women and immigrants — to issue a call to action against wealthy power brokers who “have been waging class warfare against hardworking people for decades.” In a warning to some of those rivals, Warren touted her refusal to accept donations from lobbyists, corporate PACs or the support of super PACs, and challenged “every other candidate who asks for your vote in this primary to say exactly the same thing.” Warren also unveiled a new, high-profile backer in Rep. Joseph P. Kennedy III, who introduced, endorsed and painted …