Gadget Guru 8/20/2010

• Trump pledges to protect Army-Navy rivalry from competing football games

  

• Denver tried to send safety alert to two-block radius. It went citywide.

  

• Coldest day ever recorded in Chicago history was 41 years ago today

  

• Philly activist keeping MLK's message at Girard College alive 60 years later

  

• Northern lights could be visible in Illinois Monday night

  

• Some Maryland schools to open late on Jan. 20 because of frigid temperatures

  

• Schools with delayed openings in Philadelphia area: Jan. 20

  

• Dozens of Southeast Michigan schools cancel or delay Tuesday classes