The party is reaching out to some in the private sector turned off by Trump.
"We are not going to stand for any lawlessness," a top police official said.
Sen. John Barrasso will take the role at the Republican convention.
Barry Bennett spoke of the need for a "more entertaining, more interesting" event.
Dole is the only former GOP presidential nominee slated to attend the convention.
Advocates have put pressure on major companies in recent weeks.
“It is time for the GOP establishment to work with this new reality rather than wage war against it...
Sen. John McCain is among those planning to skip the convention.
The Arizona senator said he will be on the campaign trail.
Many Republicans say Reince Priebus faces an unprecedented, unenviable task.
"Let me be clear: I do not want, nor will I accept, the Republican nomination."
Jeb Bush and Kelly Ayotte say they will likely not attend the Cleveland event.
Advocates have pressured tech companies not to sponsor the convention.
Trump is reportedly looking into using an NFL football stadium.
"I would honor the decision of our nominee," Ryan said after the two met on Thursday.
Tech companies have been pressured to pull donations to the GOP convention over Donald Trump.
Ted Cruz could get a boost from the Virginia delegation if the convention goes to a second ballot.
Members decided to avoid major alterations before this summer’s convention.
There are not enough remaining delegates for Cruz to reach 1,237 before the GOP convention.
A quarter of New York GOP voters would support a contested convention, according to exit polls.
The RNC head discussed the GOP presidential primary and nominating convention.
"How dare they," Palin said.
EXCLUSIVE — Trump said the GOP's selection process is a "scam."
One-third of Trump supporters said they would not support the GOP nominee if Trump is blocked.