One Democratic strategist said that shortly after an appearance on Fox he got a phone call from a White House official telling him not to be a guest on the show again. The call had an intimidating tone, he said.

The message was, "We better not see you on again," said the strategist, who spoke on condition of anonymity so as not to run afoul of the White House. An implicit suggestion, he said, was that "clients might stop using you if you continue."

In urging Democratic consultants to spurn Fox, White House officials might be trying to isolate the network and make it appear more partisan.

But Patrick Caddell, a Fox News contributor and a former pollster for Democratic President Jimmy Carter, said he has spoken to Democratic consultants who have been told by the White House to avoid appearances on Fox. He declined to give their names.

Caddell said he had not gotten that message himself from the White House. "They know better than to tell me anything like that," he said.

In 1988, Caddell left the Democratic Party after an acrimonious lawsuit with a Democratic consulting firm. Republicans would often cite Caddell's tirades against the Democratic Party on the floor of the House and the Senate.
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His analysis on polls and campaign issues often puts him at odds with the current leadership of the Democratic Party. He has been criticized as often attacking Democratic politicians and predicting the downfall of the Democratic party. Critics point out that he has defended the Bush administration by claiming that Republicans did not exploit the issue of gay marriage in the presidential election of 2004. He also referred to Democrats in the House who voted against the Palm Sunday Compromise, which sought to reinstate Terri Schiavo's feeding tube, as "cold blooded" and denounced them.