This article persuasively extinguishes hope for any progress for quite a while. Basically, the argument goes, the best we can hope for is to stall the GOP, but they are still positioned to rev it up again as soon as 2020.
https://www.vox.com/2018/11/8/18072464/senate-midterm-election-results-democrats-disadvantage?fbclid=IwAR1hsYdKIUGNmuQTEf7mOSWi-TMy456vIE6CcNXheRhDiu90Zy9_eo2lI0A