CNN

No more frontrunner when it comes to the Republican presidential race.

At least that's according to a new poll. The Wall Street Journal/NBC News survey shows Rudy Giuliani and Mitt Romney tied nationally at 20 percent. Mike Huckabee is close behind them at 17 percent, followed by John McCain at 14 percent and Fred Thompson at 11 percent.

Just six weeks ago, Giuliani held a double digit lead over his closest rivals. Other polls also show Giuliani's lead shrinking in Florida, one of the states he's been building his campaign around.

Experts say they haven't seen a Republican race so fluid and in such turmoil for more than 50 years.

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