Supt. Eddie Johnson said the bill should put repeat gun offenders on notice that they will go to prison.
David Purnell was acquitted of all charges after being arrested Jan. 1, 2014.
Donovan was on his way with his family to get Christmas haircuts in December 2013 when he was killed.
The 48th annual Chicago Gay Pride Parade kicks off at noon Sunday.
Murals, sculptures and installations will be unveiled in each of Chicago's 50 wards by the end of 2017.
Joseph Grigoletti was charged last month for allegedly doing the same thing on a suburban bus.
The zoning change is expected to pass the full City Council without debate, solidifying final approval.
Fewer homes on the market keep competition, cost up, report says.
Orr, 72, who served 39 years in elected positions, will become a fellow at the University of Chicago.
The inspector general's office reviewed 300,000 emails during the probe.
The full City Council is expected to approve the crackdown at its meeting Wednesday.
The clock was derided as "tacky" by one aldermen. Activists criticized the 3-minute proposed limit.
"My Country" will screen at 7 p.m. Monday at York Theater in suburban Elmhurst.
The move is designed to raise the standards for all CPS preschool students, officials said.
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