Heather Cox Richardson on our state of play Signals abound that the political ground has shifted to the Democrats. The Kamala Harris Zooms, for example. The latest last night, “White Dudes for Harris,” raised $4 million in three hours. Jeff Bridges, “the Dude,” dropped by along with 180,000 others. “Harris leads Trump 44% to 42% in US presidential race,” blares a Reuters headline from Thursday. I cited some local signs on Monday. Republicans are experiencing a “weird” problem they’re having trouble shaking. Trump, The Man Who Never Laughs, is making fun of Harris for having a sense of humor. Eugene Robinson notes, “Think about it: We’ve heard Trump snarl and mock, we’ve seen him smile, but can anyone remember him laughing out loud? I can’t. Kind of weird, no?” Sen. J.D. Vance, Donald Trump’s pick for vice president, demonstrates yet again that Trump’s boast that he picks only the best people is as good as the 34-felonies former president’s promise to produce a replacement health care plan in “two weeks.” That is, if it doesn’t conflict with his next “Infrastructure Week.” “Donald Trump hired 44 cabinet members; 75 percent of them want nothing to do with the guy,” Jon Stewart reminded “The Daily Show” viewers Monday night. The man who once boasted he couldn’t be bought is openly selling policies to the highest bidders. When the going gets tough, the weird get weirder. It’s a new day, historian Heather Cox Richardson observes: Just a week ago, it seems, a new…