“Between the lines, though, was concern about the age, quality, and training of his cops, something Bratton had once tweaked Kelly for. Despite “taking the handcuffs off,” the commissioner raised the minimum age for the NYPD to 22 along with higher physical standards and two years of college. He let go of 148 probational cops in 1994, more than the last three years combined, and banned the chokehold.”