Here (Evolution News & Views January 22, 2012). Both men are Wallace biographers:
Dr. Shermer’s initial remarks, “Alfred Russel Wallace Was a Hyper-Evolutionist, Not an Intelligent Design Creationist,” may be read here.
Professor Flannery opens up his side of the discussion (“Wallace Would Be an Intelligent Design Advocate — and a Prescient Figure in the History of Science“) here.
The occasion for the debate is the online premiere of John West’s compelling documentary short Darwin’s Heretic, which may be viewed here.
Feel free to comment here.