The Post has 5 scenarios, here:

https://www.washingtonpost.com/blogs/right-turn/wp/2017/07/21/this-presidency-cant-be-saved-its-all-downhill-from-here/?hpid=hp_no-name_opinion-card-d%3Ahomepage%2Fstory&utm_term=.3dd219366d3e

I think the first is most likely, since all it requires is that Congress continue to do nothing :-)