Actually they said on FOX this morning that he volunteered BEFORE they could ask.
All of the persons connected to trump who were spied on have volunteered to be questioned in front of the committee
This is not what “the committee” wants
They want to hear testimony about these people, with veiled allusions and unsupported speculation from lying weasels like Brennan and Clapper
They dont want to question them face to face because that would end the “ investigation’
I read an article on Drudge last week that was titled: Unlike Clinton Aides, Trump Advisers Actually Want To Talk To Congress