The Bills and the Cowboys join everybody in the NFL in chasing the Chiefs? The national media’s judgment of the Buffalo Bills and the Dallas Cowboys might undergo another change once Thanksgiving Day is in the books. But for now, or at least for the last couple of weeks? As of NFL Week 10, the Bills and the Cowboys were both flops of a sort, each dropping to 6-3. Upon further review … The Bills believe they’ve straightened themselves out after two straight losses with their muscling of the Browns. And Dallas did the same, with a number on the…