Voting by mail could be what states need. But can they pull it off?

Washington • When Colorado’s 3.5 million voters help select a president this fall, their choice will be made almost entirely by mail, via ballots in postage-paid envelopes dropped off in mailboxes or, more commonly, in bins scattered statewide.Not so in Alabama. As the law now stands, all voters must cast their ballots on Election Day, at their designated polling places, unless they vote absentee. And getting an absentee ballot is so hard that fewer than 55,000 of 1.7 million voters c