DAYTONA BEACH, Fla. -- Staying within 400 points of the lead no longer will be a factor to get in the Chase for the Nextel Cup. A source close to NASCAR said the governing body is finalizing a plan that will allow the top 12 in points in the 10-race playoff with no provision for how many points a driver is from the lead. The top 10 and anybody within 400 points after 26 races qualified for the playoff during the first three years of the Chase. But because the 400-point margin hasn't been a factor -- seven or fewer...