Dec. 6 was a historic day. It was the first time since July 2015 – since Donald Trump entered –Americans have said they have a favorable impression of Trump than an unfavorable one. All that time, from Trump’s first Republican primary campaign to the 2016 general election to his years as president to his defeat in 2020 to his postpresidential years to his comeback in 2024 – in all that time, Trump…