Morning Buzz: March 2, 2007

This morning's top stories:

• The Army has axed the chief of the Walter Reed Medical Center after a Washington Post series exposed rampant malfeasance at the facility. Watch Video.
• South Korea is refusing to resuming aid shipments of fertilizer and rice to North Korea until the nation makes good on its pledge to dismantle its nuclear weapons program.
• In the House of Representatives, the stage is set for bruising battle over the EPA budget, U.S. News reports.
• The death toll in yesterday's storms has reached 16, the AP reports. Watch Video.

Coming up: which candidates are campaigning where over the weekend.