I predicted this

I called it.  Must credit Viking Pundit:

In fact, I'm placing 50-50 odds that she'll refuse to testify for the FBI and fall into the perjury trap. 

And now:

Sources: @HillaryClinton lawyer D. Kendall has reminded @FBI Clinton is under NO legal obligation to give interview. #clintonemails

— David Shuster (@DavidShuster) May 31, 2016