Former first lady Nancy Reagan will endorse Sen. John McCainJohn Sidney McCainTrump's dangerous Guantánamo fixation will fuel fire for terrorists Tech beefs up lobbying amid Russia scrutiny Ad encourages GOP senator to vote 'no' on tax bill MORE (R-Ariz.), according to AP. McCain is in California and will receive the nomination in person.

"John McCain has been a good friend for over thirty years. My husband and I first came to know him as a returning Vietnam War POW, and were impressed by the courage he had shown through his terrible ordeal. I believe John