...and why should he?
Linda's just takin' one for the team, the GOP (who didn't want Trump in the first place)
The Republican party sure as hell doesn't want everything to come out about the COUP-lusion conspiracy, but doesn't want to appear as an accomplice to the cover-up either.
Linda being called out on breaking his "pledge to investigate" the plot is just the price he must pay for GOP backing in his next election.
If I were Graham, I’d save it all for election season. Barr will have provided a much clearer road map.