At least Paul Manafort had nothing to say about Trump or his campaign.

But then came revelations that his longtime friend, David Pecker, the CEO of National Enquirer publisher American Media Inc., had been granted immunity from prosecution to provide information, followed by news that Trump Organization finance chief Allen Weisselberg, who had once worked for Trump's father, was cooperating as well.

Allies wonder what Trump might do if the pressure continues to increase.

Another person with knowledge of Trump's thinking said the president continues to direct much of his ire at Attorney General Jeff Sessions, who infuriated Trump by withdrawing from special counsel Robert Mueller's Russia probe.

Trump biographer Michael D'Antonio says the president may be surprised that he can't exert more control from the West Wing over his former friends and employees.

The chief financial officer has worked for Trump companies since he joined the president's father, Fred Trump, and is a rich repository of knowledge of the family company.

A year ago, Trump told The New York Times that Mueller would be crossing a "red line" if he began to look at Trump's and his family's finances unrelated to Russia.

The White House said it's up to Trump's outside lawyers to deal with much of the news.

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