A knowledgeable Republican source told CNN that some of Trump’s campaign staff — even campaign manager Paul Manafort — “feel like they are wasting their time,” given Trump’s recent comments. And two sources close to the Trump campaign said privately they wished Trump would apologize to the Gold Star family, even though the Khans attacked Trump from the stage at the Democratic National Convention last month.

One of those sources, who has spoken on Trump’s behalf, said Trump should go further and apologize to “all military families.”

Two Trump insiders said Republican National Committee chairman Reince Priebus has talked to Trump several times in recent days, conveying the dismay among senior party leaders and donors…

Another source close to the campaign expressed bewilderment over Trump’s fight with Ryan, saying Trump should focus on issues that actually matter to people.