So, what was the question Chief Justice Roberts refused to allow Senator Rand Paul to ask?

Sundance has it in the Conservative Treehouse:

“Are you aware that House intelligence committee staffer Shawn Misko had a close relationship with Eric Ciaramella while at the National Security Council together; and are you aware -and how do you respond to- reports that Ciaramella and Misko may have worked together to plot impeaching the President before there were formal house impeachment proceedings?“

Read more here.