His victories Tuesday make eight in a row and show he's eroding Clinton's core constituencies.
There's no Senate bid or third-party race in his future, Huckabee says at Monitor Breakfast.
In agreeing to stop the post-'surge' drawdown in Iraq, Defense secretary keeps pressure on the service.
Clinton's recovery plan counts on the big-state contests on March 4.
The price may hit $3.50 a gallon this spring because of problems obtaining alkylates.
For kids: US Supreme Court justice Thurgood Marshall was the first African-American to be appointed to the highest court in the land.
Some 100 members of the Iranian antiregime group have left a holding camp in Iraq in recent weeks. Iran says amnesty offer holds.
The Illinois senator narrowed the delegate gap with Sen. Hillary Clinton.