1) Saber-rattling out of Pyongyang, North Korea, including the threat of nuclear war and warnings to foreigners to leave South Korea, has all eyes on the region. The White House says North Korea does not have the long-range missile capability to threaten the U.S. but that the rogue state's pursuit of nuclear weapons is a threat. The Associated Press reports that the U.S. has moved two of the Navy's missile-defense ships closer to the Korean Peninsula, and a land-based system is being deployed to the Pacific territory of Guam. Read more here
2) Senators on each side of the gun control debate will be working to shore up support Wednesday in advance of Thursday's expected showdown vote. President Barack Obama's administration needs 60 votes to head off conservatives' plan to block debate on the legislation. Read more here
3) The Rangers will try to keep pace in the tightly contested Eastern Conference playoff race when they play the Toronto Maple Leafs at 7 p.m. at Madison Square Garden. As of Tuesday afternoon, the Rangers (19-16-4) were tied with the Islanders for the seventh of eight Eastern Conference postseason spots up for grabs.
4) Demonstration against domestic violence: Marist College students, including athletes, will gather at the McCann Center and march around the Poughkeepsie campus at 11 a.m. Wednesday to raise awareness about dating and domestic violence.
5) And then there were six. Fans of "American Idol" have a lot to look forward to Wednesday, when the show carves out a two-hour block for a competition round among its last six competitors.