Nevada could give Romney second straight victory
 
Russia, China veto resolution
 
World protests
 
Fidel Castro unveils 1,000-page memoir
 
2nd teacher at L.A. school arrested
 
Police: Suspect on run kills Ala. officer
 
Lance Armstrong doping case dropped
 
Town still baffled by mysterious tics
 
Police arrest 6 at Occupy DC camp