What is it about worn-out socialist "worker paradises" like the old Soviet Union and Cuba that bring out the romantic in American radical politicians? After Vermont senator Bernie Sanders announced his run for president, Britain’s Guardian newspaper pawed through old archives in his home town of Burlington, Vermont where he served as mayor in the 1980s. They discovered that Sanders really did practice the socialist solidarity he preached about rhetorically. During Bernie's mayoral tenure, Burlington formed an alliance with the Soviet city of Yaroslavl, 160 miles northeast of Moscow. When in 1988 he married his wife, Jane, the mayor decided...