Former rivals Pete Buttigieg and Sen. Amy Klobuchar both backed ex-Vice President Joe Biden yesterday, bolstering the Democrat's chances in today's 14-state primary bonanza. But Sen. Bernie Sanders — who's expected to win California, the biggest prize of the day — remains a force to be reckoned with. Meanwhile, Sen. Elizabeth Warren has vowed to hang in “for the long haul” and former New York Mayor Michael Bloomberg will learn if his big-time spending has paid off.
Which state should you watch? Texas is the biggest truly competitive state, OZY reports, offering a whopping 228 convention delegates and a "pathway to the nomination."