NEW YORK, March 4 (Reuters) - NASCAR calls it "right-sizing" but others see it as sign that something is terribly wrong with America's most popular motor sport as thousands of seats are being removed from tracks across the United States. The sprawling Charlotte Motor Speedway, which once drew a crowd of 167,000, is removing 41,000 seats while tracks in Dover and Atlanta will chop capacity by at least 17,000. "Right-sizing is the term," NASCAR's Chief Operating Officer Brent Dewar told Reuters after addressing the Sport Business Summit in midtown Manhattan on Wednesday. "It is what you are seeing in all...