Bill Ayers and Bernardine Dohrn jump-started Barack Obama's career in Chicago. They are unrepentant and remorseless sixties radicals. They were the leaders of Weather Underground, terrorists who used bombs and violence to try to push their 'revolution'. Their intent was, in their own words, to "overthrow the United States government".
Watch this video and note the parallels and similarities between the SDS, Weather Underground, and the present day Occupy operation. While watching this video, you'll begin to understand why Obama and the Progressive Democrat party govern the way they do, push for the kinds of things they do, and why they follow no rules.
This is only a small bit of evidence that proves that Progressives who've taken over the Democrat Party are enemies of the Republic of the United States of America.