The description of the video at Godtube reads:
These Christian missionaries were exercising their constitutional rights to free speech and the free exercise of religion, but apparently the Constitution carries little weight in Dearborn, where the Muslim population seems to dominate the political apparatus.
Somehow I don’t think we’ve seen the last of such things.
Update 25 June 2010
This is a video of an interview on FOX News of two of the men who were arrested, along with their lawyer.