Republicans know 2018 is going to be a very bad year for them. They'll lose one or both houses of Congress and that will end outright all of Trump's agenda and will allow Democrats to conduct proper investigations into Trump, Sessions, and the rest of the criminals.
'The Wall', even if funding is approved in the next 6 months, will either not even be started or just the first grading of soil will be taking place and then it will come to a crashing end forever. Like Palin's bridge to nowhere.
The stock market is also due for a large drop. wait for it cons, here it comes.