Klobuchar, Buttigieg and O’Rourke endorse the former V-P
Americans vote on Tuesday in primaries that play a major role in who will challenge Donald Trump for the presidency, a day after key endorsements dramatically boosted Joe Biden’s hopes against surging leftist Bernie Sanders.
The backing of Mr. Biden by three of his ex-rivals marked an unprecedented turn in a fractured, often bitter campaign.
The Democratic establishment is desperate to unite around a moderate candidate who can triumph over frontrunner Sanders, a self-described democratic socialist, and face President Trump in November.
The 77-year-old former Vice-President is consolidating support among moderate