Who ya gonna call? Last month, as congressional Republicans devolved into endless chaos and the political world finally accepted that Donald Trump would almost certainly be the GOP presidential nominee in 2024, Joe Biden’s campaign decided it would highlight the fact that the president and the Democrats continue to do their jobs professionally and behave like leaders. They called this the “split-screen” strategy, and according to press reports they sent out talking points and daily memos to illustrate the contrast between the steady leadership of the Biden administration and the constant turmoil on the Republican side . For instance, while the president was addressing the U.N. in September and walking the picket line with striking auto workers, Republicans in the House were squabbling over a defense spending bill they couldn’t pass and preparing to oust their own speaker of the House because a handful of members had a personal grudge against him. Donald Trump was whining about all the legal problems he’s faces and ranting about Republican officials he deems to be disloyal. The contrasts have only gotten starker since then. But Trump is also deploying his own version of a split-screen strategy, and it’s a lurid fantasy that rivals anything in “Game of Thrones.” His split screen has Joe Biden on one side as a senile incompetent, while all around him crime is rampant, violent immigrant hordes are invading the country, decent Americans are starving and begging in the streets, children are being molested by transgender teachers and the nation’s…