For some reason, I can’t post the graphs from this link. I think you’re worrying LOCALLY and not watching NATIONALLY. Take a look at the graphs here and see what you think.
On top of that, President Trump’s approval rating is at 52%, which is HUGE! If he delivers another SOTU-like speech or two between now and fall of 2018, or if any of the ‘play-ahs’ in the Trump wiretapping are arrested, Dems might be demoralized and/or p*ssed off enough to stay home.
https://fivethirtyeight.com/features/the-congressional-map-is-historically-biased-toward-the-gop/
which ones are you trying to post. They work for me