Biden Fund-Raiser and Trump Visit to New York Preview Clashes to Come

The epicenter of the presidential campaign shifted to New York on Thursday, as the incumbent president and three of his predecessors descended on the area for dueling events that illustrated the kinds of political clashes that could come to define the general election.

For Democrats, it was a high-profile fund-raiser for President Biden in Manhattan. On Long Island, former President Donald J. Trump attended a wake for a New York City officer who was killed during a traffic stop on Monday. Together, the day’s events made for an unusual moment in a general election campaign that has so far been largely defined by appearances in courtrooms and at small, invitation-only events. In recent weeks, Mr. Trump has spent far more time battling in court than in battleground states.

Mr. Biden, along with Barack Obama and Bill Clinton, arrived for a joint fund-raiser at Radio City Music Hall that campaign aides said raised $25 million. The eye-popping number set a record for a single political…