Do any of you have plans on attending the 5th World Bonsai Convention in
Washington DC this coming May?

I gather you are interested in carpooling. Which direction are you coming from?
I will be driving down Rte 81 from the north.
Iris,
Central NY, Zone 5a, Sunset Zone 40
"When you come to a fork in the road, take it." Yogi Berra