Capitol Hill is way overdue for a blockbuster investigation. Here are nine questions to get Congress rolling - if it has the guts.
But if lawmakers of either party do not begin to reclaim their constitutional powers - by asking questions such as those listed below - it's not hard to envision a time when visitors may come to the venerable Caucus Room as if to a museum, to learn about a bygone era when congressional investigations still served as a check on the imperial presidency.
9. Grounds for impeachment?