PHOENIX (AP) — Cindy McCain endorsed Democrat Joe Biden for president Tuesday in a rebuke of President Donald Trump by the widow of the GOP's 2008 nominee.

Trump has had a fraught relationship with members of John McCain's family since he disparaged the Arizona senator during his 2016 campaign. But the McCains have until now stopped short of endorsing Trump's rivals.

Cindy McCain cited the decadeslong friendship between her family and Biden's and their bond as the parents of children serving in the military.

"He supports the troops and knows what it means for someone who has served," McCain sa...