As far as conservatives are concerned, progressives hate America. I prefer the term liberal, but progressive is what we are apparently calling ourselves these days, since Republican propaganda has succeeded in associating the term liberal with child molesters and mass murderers. They are the best propagandists since Goebbels.
Anyway, the Center for American Progress has put together some ads they plan to run to try and combat the notion that progressives/liberals are bad. In fact, they assert - correctly - that progressive policies are what have made this country great. Here's two of the ads: