1. NBC is replacing the executive producer of its " Nightly News " just as chief rival Charles Gibson and ABC celebrate a milestone victory.
2. A huge crowd in Grant Park in Chicago erupted in jubilation at the news of Obama's victory.
3. The big news is that the hosts might just be building a team capable of challenging for victory.
4. The official spoke on condition of anonymity because Hariri was expected to announce the victory himself later Monday at a news conference.