Phase 1: Clean the House (Gowdy/Goodlate)
Phase 2: Clean the Senate (Grassley)
"House of Cards" → POTUS and Q already have all the goods (leverage) on the House Representatives. POTUS is in control there.
Senate is next. POTUS now has a majority in Senate and with Grassley at the helm they will uncover the rest of the comped Senators.