Portland, OR: In a city where just about everything that can be done on a bicycle has been done, Portland still doesn't do bike sharing. Not yet anyway. After years of study, the Portland Bureau of Transportation has recommended using $4 million in startup funds -- half from a limited, flexible federal funding pot, half from private investors -- for an automated community bicycling program. The City Council is expected to vote Wednesday on the concept, which has proved wildly popular in other American cities and across Europe. "We essentially expect this to be used by everybody -- tourists, businesspeople,...