I don't really care about Hunter. I wish he would have fought the gun charge up to the Supreme Court. I don't think a gun form should require you to self-incriminate.
But speaking of the 5th... now that Hunter is pardoned for everything in the last 10 years, I don't see how he could refuse to talk if summoned to Congress. Nothing he says can result in criminal charges. And again, I wouldn't be interested in Hunter. I'm more interested in how he funneled money from the tax payers to "The Big Guy" ...