Harris greets supporters during a campaign rally in Reno, Nevada, on Thursday. Photo: Justin Sullivan/Getty Images First, the West Wing actor Bradley Whitford put it on X . Not long after, New Hampshire congresswoman Annie Kuster was saying it. Soon, with October winding down, Tim Walz was using the phrase with party activists in Wisconsin, off-stage and away from microphones. By late this week, it was being whispered across Kamala Harris campaign headquarters in Delaware. Now, ask any plugged-