Most people get mail every day, Monday through Saturday. But what happens when the mail comes later than we expect? We found out a few years ago, when the postmaster general had to take away overnight first-class and periodicals mail from most of the nation. That caused a problem for consumers and businesses. Now we may be facing a new slowdown — if something isn't done by Congress very soon. Who needs the mail, some people ask? We have the internet now. Things go wrong But a lot happens in the mail, and a lot goes wrong when it is late.