The economic structure of Jim Henson’s cartoon realm called Fraggle Rock reflects our own. In one HBO episode, the industrious, hard-hatted Doozers prepare to leave the rock, which would have quickly left the Fraggles starving. Somehow, politicians and powerbrokers in this country don’t see the simple parallel. If the U.S. continues to send its manufacturing overseas — with the latest proposal General Motors plants — the result will be hungry U.S. families.