As Michigan's spring election approached, neither Democrats nor Republicans were confident. Democratic leaders pointed out that the G.O.P. traditionally wins most offices in spring elections, while Republican chiefs frankly admitted that their party was hard up and torn by factions. Last week, after 1,120,000 votes swept a Democrat into every available job for the first time in almost a quarter of a century, the leaders of both parties agreed on the main cause: the iron-spun coattails of Michigan's maturing (46) boy wonder, Governor G. (for Gerhard) Mennen Williams.
Although his governorship was not...