The number of passenger vehicles crossing from Canada into Vermont over the past six months is down by 26%, and the amount of spending transacted on Canadian credit cards dropped 44% over the same time period, according to data compiled by the Vermont Agency of Commerce and Community Development. Newport Mayor Rick Ufford-Chase said the effect of Canadians’ sudden withdrawal from northern Vermont has been visible in the city’s downtown. “My basic observation is that this is as bad as we feared i