[FredZarguna]

it’s not exactly a confidence builder for rank and file Republicans in Senate leadership.

Nor is this sentence a confidence builder in your writing ability.

By definition, the rank and file of an organization are all members EXCLUDING the leadership. Duh. Doesn't anyone have editors anymore?

[Enterprise]

"it’s not exactly a confidence builder for rank and file Republicans in Senate leadership."

I read this to mean that this doesn't build confidence in the Senate leadership for rank and file Republicans.