A Westchester County police bigwig’s bust for allegedly driving her son to a botched gang drive by in the Bronx has Democrats running for cover — and Republicans saying I told you so. Ex-Mount Vernon Deputy Police Commissioner Jennifer Lackard is facing attempted murder charges in the shocking June 29 shooting, but prominent Democrats in the region are staying mum and refusing to condemn the disgraced cop because the suburban city is a coveted party stronghold. “Democrats are the first to preach ‘no one is above the law’ until it screws them politically,” Republican National Committee spokeswoman Natalie Baldassarre told...