Has he even been asked?
These are connections (and payments) already revealed, via legally-required paperwork handed over to the FEC. There’s no need to “ask” for confirmation as to (say) whether or not McCain adviser Rob Allyn accepted $720,000.00 for the task of advancing the cause of amnesty for illegal aliens; in this instance (as well as the others cited in the article in question), no one’s denying Word One.
Hah, McCain has anyone that asks him about illegal immigration ejected from the room.
He refuses to answer any questions about his support for the Mexican government and his support for the reconquista of the western US.
Guess Juan must be getting something from south of the border.