For a traditionally slow time of year, it’s been a remarkably busy stretch in local politics. Marty Walsh is experiencing one of the roughest stretches in his mayoralty; Elizabeth Warren’s presidential stock is at an all-time high; and Charlie Baker is (once again) touting improvements to the MBTA but refusing to actually ride it. Reilly and Kadzis size it all up, starting with the recent crackdown by Boston police on denizens of what’s known, for better or worse, as Methadone Mile.