Ellison sponsors the Congressional Muslim Staff Association which has brought radicals and terrorists such as Anwar al-Awlaki into the Capitol.
http://www.foxnews.com/politics/2010/11/11/congressional-muslim-prayer-group-terror-ties/
Anwar al-Awlaki - Al Qaeda operative - leading Congressional Muslim Staff Association prayer at Capitol.
Video
http://www.investigativeproject.org/2077/awlakis-us-sermons-foreshadow-role-as-terrorist