At the least Cantor should have called Petraeus back to testify after he found out about the FBI probe. Cantor already knew Petraeus lied to them and some in Congress wanted to impeach him over his dishonest testimony. Cantor had an obligation to do his duty.
.
I have never trusted Cantor
There was something about Cantor that just did not ring true
Now we see him joining the Obama Coverup Team in smothering all the dirty stuff that happened well before the 2012 election
.