 In his book, The Unraveling, Mr. Bowers said he studied hours of tapes of Mr. Trump as a businessman, candidate, and president before the 2020 debates. He wrote that he did not try to portray a Saturday Night Live version of Mr. Trump with makeup and costumes. Instead, he wrote, he used as much of the language as he did on topics that would come up in a debate. Now, the usual suspects are with Biden at Camp David. They have been all week.