I hate to burst your bubble but Saudi Arabia is an ally and has been buying weapons from US defense contractors for well over 50 years. 
I do agree they are a state sponsor of Islamic terrorism though. Isis would not exist without at least their tacit approval. 
As for the swamp, it doesn't appear as though the Democrats are going to allow any real change to take place. They're in gridlock mode and hoping to mire the administration in non stop controversy and crazy conspiracy theories to stop Trump's agenda from being implemented.