HOLLYWOOD, Fla. — Donald Trump’s chief lieutenants told skeptical Republican leaders Thursday the party’s front-runner has been “projecting an image” so far in the 2016 primary season and “the part that he’s been playing is now evolving” in a way that will improve his standing among general election voters.

The message, delivered behind closed doors in a private briefing, is part of the campaign’s intensifying effort to convince party leaders Trump will moderate his tone in the coming months to help deliver big electoral gains this fall despite his contentious ways.

Even as his team pressed Trump’s case, he raised fresh concern among some conservatives by speaking against North Carolina’s “bathroom law,” which directs transgender people to use the bathroom that matches the sex on their birth certificates. Trump also came out against the federal government’s plan to replace President Andrew Jackson with the civil-rights figure Harriet Tubman on the $20 bill.

The developments came as the Republicans’ messy fight for the White House spilled into a seaside resort in south Florida. While candidates in both parties fanned out across the country before important primary contests in the Northeast, Hollywood’s Diplomat Resort & Spa was transformed into a palm-treed political battleground.

Trump’s newly hired senior aide, Paul Manafort, made the case to Republican National Committee members that Trump has two personalities: one in private and one onstage.

“When he’s out on the stage, when he’s talking about the kinds of things he’s talking about on the stump, he’s projecting an image that’s for that purpose,” Manafort said in a private briefing.

The Associated Press obtained a recording of the closed-door exchange.

“He gets it,” Manafort said of Trump’s need to moderate his personality. “The part that he’s been playing is evolving into the part that now you’ve been expecting, but he wasn’t ready for, because he had first to complete the first phase. The negatives will come down. The image is going to change.”

The message was welcomed by some party officials but criticized by others who suggested it raised doubts about his authenticity.

“He’s trying to moderate. He’s getting better,” said Ben Carson, a Trump ally who was part of the Republican Party’s front-runner’s RNC outreach team.

There was evidence of drama on the Democratic side as well.

Prominent Southern Democrats urged Bernie Sanders to stop dismissing Hillary Clinton’s landslide primary wins across the South, where the front-runner’s popularity among non-whites has helped fuel her success.

Sanders said the results in the South “distort reality” because they came from the country’s “most conservative region.”

Don Fowler of South Carolina, a former chairman of the Democratic National Committee, and other Clinton supporters told Sanders in a letter that “our national Democratic leaders” should “invest in our races and causes – to amplify our voices, not diminish them.”

Yet as Clinton’s grasp on the Democratic nomination tightens, Trump’s overwhelming Republican delegate lead has done little to calm concerns from Republican Party leaders, gathered at the resort for the party’s meeting.

As Trump continues to rail against “a rigged” nomination process, he sent Manafort and his newly hired political director, Rick Wiley, to help improve relationships with party officials.