New York (CNN Business) In the months ahead, the Republican leaders of the Senate will likely determine the fate of the Trump presidency.

But good luck getting them to talk about it.

A similar dynamic is in effect on the House side of the Capitol. Television transcript searches show that several top GOP lawmakers frequently say yes to Fox News interviews but say no to other networks.

House Minority Leader Kevin McCarthy has been on Fox at least 19 times in the past three months, on CBS two times, and that's about it -- transcript searches didn't turn up any other sit-downs with big national TV networks.

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