Proof positive video. Essentially, Democrats of all stripes are all about 'control' sans the freedoms and liberties that Americans thrive on.
Be they socialists, Marxists, progressives, communists, liberals, moderate Democrats, or whatever, the left-of-center supports controlling citizens and their associated freedoms that the Democrats feel are necessary to further their grasp on power.
This video from CNN's climate change townhall is just the tip of the iceberg when it comes to what the Democratic Party intends to do if swept into full power.