Sources also claim that if things go well, he will officially announce his run the first week of July.
CNN has more of the story here.
Thompson has created quite a buzz amongst the conservative base of the party, who has been pressuring him to run for months now. He is third in most republican primary polls and is not even a candidate yet.
I really like Fred Thompson, and would like to see him run. We desperately need some "law and order" in this country.