Why is swamp drain taking so long? Give the left points for that.
OK here's your mental exercise: You are the newly-elected President. It's January 21 2016. You know nothing about the Swamp known as Washington DC other than what you've been told by advisors like Reince Priebus (who is himself a Swamp-dweller). You have Paul Ryan and Mitch McConnell (also Swamp-dwellers) down Pennsylvania Avenue, who hate you and did NOT want you elected. You have Obama holdovers throughout the DC bureaucracy hellbent on blocking you and getting rid of you.
You MUST pick people for your administration.
Question: How long do you think it would take you to accurately gauge things, size-up the situation and find good people to help you drain the swamp?
After a year, he's now able to see who's on his side, who is not, and most importantly, who is best able to accomplish MAGA. He's in the process of getting rid of the dross, and shuffling people around to better position his administration for the long haul.
THAT'S why it's taking so long to drain the swamp.