@Jonathan Ray:
After hearing a similar report via Twitter, it was revealed that the Asana API was temporarily out of service.
@V.A.:
I worked on it a bit weekend before last, but there's some real peculiarities to the way Alfred was encoding/decoding JSON, which is why special characters get busted. I haven't found a solution, but Alfred has some new debugging features. Once I find time to explore those, I might be able to find a solution.