Senator Elizabeth Warren (D-MA), Representative Tulsi Gabbard (D-HI), and Julián Castro, former mayor of San Antonio, Texas, and former Housing and Urban Development (HUD) secretary are the first three to throw their hats in the ring for the Democrats. Each has started to make their pitch as to why they should be the one to take on President Donald Trump in the general election. (Speaking of Trump, he is the presumptive Republican nominee as an incumbent, butdon’t rule outa challenge froma career politicianlike former Ohio governor John Kasich, whosaidhe’s considering it.) ) — the rising star of East High's theater program. Elizabeth Warren, a senator representing Massachusetts, essentially tossed her hat in the ringwhen it was still 2018witha video announcement released on Twitter of trans athletes causing a problem in their states.