A city that followed the national anti-police mania of 2020 is learning the hard way just how big a mistake that was. Burlington, Vermont — which gave socialist Sen. Bernie Sanders his start in elected office four decades ago — made a conscious decision four years ago to cut its police force amid the riots that plagued the country after the death of accused counterfeiter George Floyd. Now, overrun by crime, drug addiction and homelessness, the city has attempted to change course, but progress hasn’t been easy, Fox News reported Friday. In fact, when it comes to police numbers, it’s pretty we…