Former first lady Nancy Reagan will endorse Sen. John McCainJohn McCainCoats: Trump seemed obsessed with Russia probe The Hill's Whip List: Senate ObamaCare repeal bill Meghan McCain slams 'felon' Dinesh D'Souza over tweets mocking father's captivity 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