When Brad Childress sits down to analyze the voluminous amount of statistics compiled by the NFL each week, the Vikings coach invariably looks first at turnover margin.
"It usually tells a lot of the tale," he said.
It has so far for the Vikings. A number of factors have contributed to the team's 5-0 start, but perhaps few have been as important as the Vikings' ability to force turnovers and take care of the ball on offense.
The Vikings lead the NFL in turnover ma...