Sweeping through Estonia, Latvia and Lithuania this week, Joe Biden reassured all three that the United States' commitment to Article Five of the NATO treaty remains "solemn" and "iron clad."

Article Five commits us to war if the territory of any of these tiny Baltic nations is violated by Russia.

A CNN/ORC poll released early this week finds two potential Republican presidential candidates from Florida are in the single digits while there is no front-runner in the field. U.S. Sen. Rand Paul, R-Ky., leads the pack with 16 percent followed by U.S. Rep. Paul Ryan, R-Wis., right behind him with 15 percent. Gov. Rick Perry of Texas takes third with 11 percent followed by former Gov. Mike Huckabee of Arkansas, who moved to Florida after his 2008 bid for the Republican presidential nomination, with 10 percent.