It’s been a historic two weeks in Wal-Mart and U.S. labor relations. Last week a handful stores across southern California saw employees walk out, this week the strikes have spread across the States. It may only be revving up. Workers are now threatning with actions, sit-in, picket lines, on what is hands down Wal-Mart’s busiest day, Black Friday. Read more from labor journalist Josh Eidelson whose been doing great at keeping folks informed.