Like a lepidopteran Charlie Brown drawn to Lucy van Pelt’s flaming football, Congressional progressives keep falling for corporate Democrats’ pathetically predictable, and transparently self-serving, pleas for unity. Support our priorities, the centrists keep urging, and we’ll get around to your stuff later. How much later? We’ll tell you later.             “Progressives have grown increasingly accustomed to disappointment with the Biden administration,” the Daily Beast reports with the breaking-news tone of “sun rises in east,” “and now a proposed increase in Department of Defense and law enforcement spending are causing them to air their grievances anew with just months left before the 2022 election.” Insanely—remember, we just left Afghanistan so war spending should drop precipitously—President Biden’s latest budget proposes a record high of $813 billion in military spending, an increase of $30 billion from last year. He just sent $13 billion to Ukraine. Plus he wants $32 billion for cops.             Refund the police.             Whether working inside a system…