Joe Biden calls for unity after big wins in Michigan, three other states

Joe Biden scored decisive primary victories in Michigan and three other U.S. states on Tuesday, taking a big step toward the Democratic Party’s presidential nomination and casting doubt on the future of rival Bernie Sanders’ fading White House bid.

The sweeping wins put Biden, 77, on a path to face Republican Donald Trump in the Nov. 3 election, and the former vice president quickly began to look ahead, calling for party unity and making an appeal to supporters of Sanders.

“We share a common goal, and together we are going...