Nate Silver @NateSilver538
We've had change elections in 2006, 2008, 2010, 2014, 2016 and 2018 now, skipping only 2012. https://t.co/qXL81EY62y — PolitiTweet.org
Sean T at RCP @SeanTrende
If you count 2018 as a wave you probably have to count 2014 as a wave which would make 2018 the fourth straight midterm wave election.