Changing your media diet is like changing your food diet. To make it sustainable, it is not enough to leave out unhealthy items. Much more important is to focus on what is actually good for us.

The knock from Republicans, Never-Trumpers and moderate Dems is that most of the 2020 candidates are too far to the left and out of touch. Last week’s display confirmed it. This was a definitive example of a party controlled by its fringe elements, preferring purity over victory.

With unconscious biases driving our perceptions, and political rhetoric and a flood on information fueling our animosity, the level of societal incivility continues to heighten. Here are some ways to break the cycle.

Instead of trying to manipulate voters into thinking something they clearly don’t think is true -- that Donald Trump is too conservative -- Democrats would do better to advance a candidate that’s not too liberal.