ANALYSIS | For Republican committee chairmen, House Intelligence Chairman Devin Nunes has had a month that amounts to a cautionary tale.

One day, you can be the respected chairman of one of the last remaining bipartisan committees on Capitol Hill. A few weeks later, your ranking member is calling for you to step aside from the most important probe the panel has done in years. Such is life for Republican committee chairmen in the Trump era.

Donald Trump, nearly 70 days into his presidency, is bucking traditional institutions and paying little heed to the conventional ways of Washington. As he moves toward several legislative priorities and pending deadlines that require congressional action, standing directly in Trump’s path are the once-powerful chairmen of the very congressional committees that will make or break his agenda.

But there are plenty of reasons for these legislative power brokers to worry. Here are four that have surfaced during Trump’s first two months:

Troubling tradecraft

“Anything’s possible,” White House Press Secretary Sean Spicer said Monday when asked if Nunes might have gotten intelligence reports that included the “unmasked” names of Trump associates — and perhaps Trump himself — from White House aides or those deeper in the administration.