Have you always dreamed of watching someone dressed like Benjamin Franklin climb 5,000 stairs? Today's your lucky day. This afternoon in the University of Washington's Red Square, historical presenter G. Robin Smith dons his Franklin garb and hauls himself up 5,000 stairs, to raise awareness and funds for the Leukemia and Lymphoma Society. (UW's Red Square, between Odegaard Library and Kane Hall, www.gobengo.info. 2–4 pm, free.)