The defamation is whatever, Trump can handle that, he's been defamed before; but falsifying an official transcript before a House Committee is a felony under USC, Title 18, §1001 (2) (3), and what's most notable about this section of Title 18, it does not require the offender to be under oath; with fines and imprisonment as the remedy.
Schiff should be charged, but isn't there a rule that any politician in their respective chambers, can break any law and cannot be charged for it?