A while back I read something to the effect of "you can't use logic and reason to change an opinion arrived at through emotion". This has completely changed how I view the left and how we need to deal with them.

We're not going to have a meeting, present them with a telephone book sized stack of facts that disprove their beliefs, and then see them come around to our way of thinking like a rational person. They will cling to their beliefs despite all evidence to the contrary- in fact, counter evidence may make them believe even stronger in their position (double-down effect).