Per the Post:
Most members of President Trump’s Cabinet do not yet have leadership teams in place or even nominees for top deputies. But they do have an influential coterie of senior aides installed by the White House who are charged — above all — with monitoring the secretaries’ loyalty, according to eight officials in and outside the administration. ... The aides act as a go-between on policy matters for the agencies and the White House. Behind the scenes, though, they’re on another mission: to monitor Cabinet leaders and their top staffs to make sure they carry out the president’s agenda and don’t stray too far from the White House’s talking points, said several officials with knowledge of the arrangement.
Read the full report at the Washington Post.