Senate Republicans are experiencing a new case of heartburn over Defense Secretary Pete Hegseth after a spate of Pentagon staff firings in recent weeks and the emergence of a second Signal chat reportedly detailing attack plans in a month’s time.

Hegseth once again found himself squarely in the spotlight over the past week after a trio of top aides were fired from the Defense Department amid a leak investigation.

Gasoline was added to the fire on Sunday as John Ullyot, an ex-Defense Department spokesperson, wrote in an op-ed that the Pentagon is in “disarray under Hegseth’s leadership” and The New York Times reported that Hegseth started and shared attack plans against the Houthis in a second Signal chat, this one including his wife, brother and personal lawyer.

The avalanche of news has done little to instill confidence with some Senate GOP lawmakers, who narrowly confirmed him in January. Now, some members worry the string of news will zap him of any remaining goodwill in the conference.

“Confidence in him will be lost,” one Senate Republican told The Hill, specifically mentioning the ousted staffers and the Signal revelation as the driving forces. “This is like one thing after the other."

The senator said those concerns are spreading as negative news continues to trickle out.

“There may be a little bit of buyer's remorse,” the member continued, adding that some in the conference are starting to........

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