Of course he refused. Look at all the people who were questioned by Mueller's team and faced prosecution for things that had absolutely nothing to do with the original matter under investigation.
Anyone with half a brain -- especially a political target like Trump -- would refuse to speak to any law enforcement officer these days. This Justine Amash dipsh!t is a freaking lawyer -- and ought to know that better than anyone else.
Exactly.
Any sane person would have done exactly as Trump had done.