President Obama spoke at the organization's 100th convention in 2009, and first lady Michelle ObamaMichelle LeVaughn Robinson ObamaMelania Trump to attend Barbara Bush's funeral The Hill says goodbye to 50 Most Beautiful Family, friends mourn death of Barbara Bush MORE gave a keynote address in 2010.

During his address, McCain said that while he recognized many in the organization would be backing then-Illinois Sen. Barack ObamaBarack Hussein ObamaJudge rules against Trump administration in teen pregnancy prevention case Parkland student rips Obama for essay on shooting survivors Obama pens Time 100 entry for Parkland survivors MORE, he hoped to find common ground on the issue of civil rights.

"I'm here today as an admirer and a fellow American, an association that means more to me than any other," McCain told the assembly. "I am a candidate for president who seeks your vote and hopes to earn it. But whether or not I win your support, I need your goodwill and counsel. And should I succeed, I'll need it all the more."