Polling and surveys actually show the opposite. The electorate and nation has moved way more to the left since the 80's, and even more so since the Obama presidency. Plus, with Trump as president moderate seems appealing, much like we are seeing now. With a Democrat as president, people will likely move left of Biden, much like they did with Obama. Thus the Sander's movement existed in 2016. That wasn't a move to the right. It was a move to the left.
Progressives are winning all across the country, so this seems like theoretical debate that doesn't seem to be backed up by empirical data.
Plus, progressives in Congress means pressure on executive branch if it's a D. He won't be a dictator.
But just to be clear, Obama pushed us left, not right. And Trump is the one making centrism more palatable
cops murdered a teenager working security at his own job and claimed he had a gun and they felt threatened. The story doesn't add up and it's likely they planted the gun--if you've kept up with cop behavior in the past few years, in places like Baltimore specifically, you know cops will plant a gun to cover their asses in case of a fugup and not even lightsout can deny that