The Republican National Committee (RNC) alerted the Commission on Presidential Debates (CPD) on Thursday that it plans to require GOP presidential nominees not to attend debates run by the commission going forward. 

"The RNC will initiate the process of amending the Rules of the Republican Party at our upcoming Winter Meeting to prohibit future Republican nominees from participating in CPD-sponsored debates," wrote Chairwoman Ronna McDaniel in the letter, which was obtained by The Hill. 

McDaniel said GOP voters "have lost trust" in the commission and noted that the RNC has proposed a number of reforms to the debate process.

"Unfortunately, neither the tone nor substance of your latest response inspires confidence that the CPD will meaningfully address the serious issues which the RNC has raised," she said. ... Read More: The Hill