These are strange times in NASCAR, where everything has turned upside down in the blink of an eye. Michael Waltrip Racing is fighting for its survival in the wake of a race-fixing scandal and a driver who woke up two Mondays ago in the Chase for the Sprint Cup championship is now looking for a job. Sponsors are taking a stand, too — against a team over ethics, maybe even against NASCAR for the perception that all teams are not treated equally.