TWO AND SIX MONTHS. CLEARLY AN EFFORT BY THE CHICAGO POLICE DEPARTMENT. HUNDREDS OF MILLIONS OF DOLLARS IN OVERTIME. >> WE REPORTED EARLIER THIS WEEK ON OVERTIME. WE TALK WITH SOME EXPERTS ON POLICING. >> A SIMILAR STAFFING CRUNCH. IN LOS ANGELES, THERE IS A NEW EFFORT BY THE MAYOR, KAREN BASS . A SIMILAR PROGRAM IN SAN FRANCISCO. DOWNTOWN MERCHANT BUSINESS AREA. >> VALLAS WILL BE FACING BRANDON JOHNSON IN THE RUNOFF. >> THE ONLY CANDIDATE THAT RUNS FOR MAYOR. HE WANTS TO FOCUS ON PROMOTING OFFICERS TO DETECTIVES AND EXPECT THEM TO SOLVE CRIME. HE SAYS THAT VALLAS ' PROPOSAL IS RIDICULOUS. >> RIDICULOUS, THAT WAS HIS