if taking the fifth leads to a presumption of guilt, then there is no fifth amendment right.
However, there is plenty of evidence that would serve to convict her without her testimony.
And if she refuses to answer the question if it was coordinated by the whitehouse then she should be held in contempt of congress.
How can she refuse to answer congressional questions and still keep her job
at the IRS, since congress has oversight over the IRS. Would that not be insubordination or worse?
Ok, I'll buy that, in a court of law. But in the court of public opinion, if she didn't commit a crime, why take the fifth?
Issa and the committee can’t officially draw any conclusions, but we’re not any kind of jury — we’re certainly allowed to speculate here in our little clubhouse.