United Airlines CEO Oscar Munoz says a review is underway; CNBC reports Munoz is telling employees they followed established procedures when city aviation officers dragged a man off an overbooked flight at O'Hare on Sunday. The man was a doctor who refused to give up his seat. One officer has been placed on leave ... Chicago police are looking for the gunman who killed a Cook County judge outside his far South Side home yesterday morning ... Police in San Bernardino, California say a man opened fire in an elementary school yesterday. He killed his estranged wife, a student and then himself ... Secretary of State Tillerson is meeting with world leaders about the situation in Syria, and later today will discuss the Kremlin's support of the Assad regime with Russia's foreign minister. A senior US official says Russia must have known that chemical weapons attack in Syria was coming ... The Cubs beat the Dodgers in an appropriately rain-delayed home opener celebrating their World Series championship ... the Bulls beat the Magic ... Foggy this morning, and then cloudy with high temperatures in the mid-50s.