Donald Trump Seeks Republican Unity but Finds Rejection

On Friday, Mr. Bush’s disavowal of Mr. Trump landed as a bitter blow. The former Florida governor is revered among party veterans and has one of the most powerful fund-raising networks in Republican politics. In a statement, Mr. Bush said his former opponent lacked the “temperament or strength of character” to serve as president.

.. The populist Manhattan businessman responded with a statement savaging Mr. Graham, a senior spokesman for the party on national security. Mr. Trump boasted that he had “destroyed his hapless run for president” and consigned Mr. Graham to the political ash heap.

.. “While I will unify the party, Lindsey Graham has shown himself to be beyond rehabilitation,” Mr. Trump said.

.. Mr. Trump’s belittling attack poses a new challenge for a party already riven by frustration and indecision over his campaign.

.. Mr. Trump conceded in a television interview on Friday morning that he had been surprised by Mr. Ryan’s rebuke, and he sounded exasperated by the party leadership’s unwillingness to rally to his candidacy. “You talk about unity,” Mr. Trump said, “but what is this?”

.. Mr. Trump conceded in a television interview on Friday morning that he had been surprised by Mr. Ryan’s rebuke, and he sounded exasperated by the party leadership’s unwillingness to rally to his candidacy. “You talk about unity,” Mr. Trump said, “but what is this?”