Hartley's red puts England future back on the line

It would be an injustice to ignore Dan Cole's supreme scrummaging for Leicester or Luther Burrell shattering a weak Tigers defence with his heavy, heads-up carrying for Northampton, but the headline-maker from Saturday's latest edition in a sequence of torrid East Midlands derbies was Dylan Hartley and the red card that may bring a premature end to his England career.