SHAKER HEIGHTS, Ohio — Volunteers canvassing in favor of a ballot initiative to establish a constitutional right to abortion stopped Alex Woodward at a market hall in Ohio to ask if they could expect her vote in November. Woodward said she favors abortion rights and affirmed her support. But as the canvassers moved on through the hall, she realized she was not sure how to actually mark her ballot. “I think it’s a yes,” she said. “Maybe it’s a no?” Anyone in Ohio could be forgiven some confusion