Virginia Sen. Tim Kaine accepted the Democratic vice presidential nomination Wednesday in Philadelphia. He used his speech to appease the progressive wing the party, while also taking aim at Donald Trump. And early on, Kaine reminded viewers that his son Nat, a Marine, deployed this week to Europe—to "defend the very NATO allies that Donald Trump now says he would abandon." Kaine started off by recycling much of his well-received speech from the previous Saturday in Miami, where Hillary Clinton introduced him as her running mate.