Cleaned by Capitalism XX

Every Christmas, Wallace Trevillian – founder and first Dean of Clemson University' business school – sends as gifts to his many friends around the country big tins of delicious roasted Virginia peanuts.  Just today I polished off the peanuts received this past Christmas.  The peanuts I ate today were as fresh and as yummy as were the peanuts that I ate from that tin back in December.

One source of this sustained freshness is, of course, the tin itself: it helps to protect the peanuts from...