December 30, 2011 7:12 am First Birthdays: Dec. 30 Happy Birthday from all of us at NBC Chicago. Local 3:25 Dolton mayor's former assistant addresses alleged Vegas sexual assault 0:45 Lockdown at Archer Heights charter school lifted after teen shot at nearby restaurant 2:10 Millions of birds cross through Illinois during peak migration season 2:14 Phone call reignited investigation into 1968 Calumet City cold cause 1:19 Alerts issued as millions of birds expected to cross Illinois overnight