NEW YORK—Prompted by the results of a new national poll that showed he is the only candidate who can defeat former President Donald Trump in November, Robert F. Kennedy Jr. urged President Joe Biden to drop out of the race.
If President Biden does not step aside, Mr. Kennedy challenged him to sign a “no-spoiler pledge.”
Under the pledge, the Democratic National Committee and the Kennedy campaign would agree to co-fund a 50-state poll with 30,000 or more likely voters in mid-October.
“The survey will test the results of a head-to-head race pitting President Biden against President Trump, and a second head-to-head race pitting me against President Trump. Whomever performs weakest against President Trump in a two-man contest will drop out of the presidential race,” Mr. Kennedy said at a press conference in the Brooklyn borough of New York City on May 1….