The litany of Congressional Republican nuttiness in the past 20 years is impressive. Think back on assertions that Hilary Clinton was involved in murdering Vince Foster and Whitewater, and the Mother Of All Scandals the Lewinsky/impeachment saga.
The point isn't to have one, it's to make it quickly and efficiently and then pin it on the president. To exploit a scandal for scandal's sake. Because scandals are the only way to shrink our deficit, improve our financial outlook, and allow the Dow to set all sorts of records.