Barack Obama has said in an interview that he does not believe that Jesus is the only way to salvation and his grandmama was a Unitarian.
“Jesus *said to him, “I am the way, and the truth, and the life; no one comes to the Father but through Me.”
http://www.biblegateway.com/passage/?search=John+14%3A6&version=NASB
From what I’ve heard, the UCC denomination(of which Jeremiah Wright’s congregation is a part of) is about as close to Unitarian as any non-Unitarian denomination can get.