in an update on a natural gas explosion in allentown, pennsylvania. five people, including a 4-month-old baby, were killed wednesday night when that blast flattened two row homes and set an entire block on fire. investigators are focusing on a cast iron pipe installed back in 1928. it's the latest in a series of explosions across the country involving aging pipelines. well, it is not looking good for labor talks aimed at a new nfl collective bargaining agreement. the leagues and players unions didn't bother getting together yesterday for what would have been the second day of a two-day bargaining session. the sides are far, far apart on several issues, including expanding the season to 18 games. the current labor deal expires on march 3rd. if a new deal is made, the minnesota vikings will likely play their home games next season under a completely new roof. last december the roof of the metrodome collapsed under heavy, heavy snow. we remember that image there. now, instead of simply repairing several torn panels the dome's owners want to replace the whole thing.