The set of slides for this morning's discussion includes (1) tips on making better professional presentations, (2) the natural history of Red River floods and (3) a few illustrations related to our discussions of the paleoclimate-society papers.
http://www.slideshare.net/scottstgeorge/class-8-past-climates-and-society
And, in another coincidence, a colleague from North Dakota just pointed out that the Red River (in the US) is extremely high right now, twice the discharge of the previous record for either October or November. Stay tuned!