Republicans face growing urgency to stop Trump as they enter the second presidential debate

Republicans are meeting for their second presidential debate on Wednesday as Donald Trump’s top rivals seek to blunt the momentum of the former president, who is so confident of cruising through the party’s primary that he again won’t share a stage with them.

Seven GOP candidates will be at the Ronald Reagan Presidential Library for an event hosted by Fox Business Network. Trump will be in Michigan, delivering a prime-time speech attempting to capitalize on the Auto Workers Union strike and trying to appeal to rank-and-file union members in a...