I believe that people here are being deceived by this camera angle. The angle presented makes this ball look IN. However, from years of experience, I can tell that this is not as clear cut as it appears at all. The ball might have clipped the line but I seriously doubt that it squarely hit the line a some posters seem to think. In fact, I'll go further than that -- the ball did NOT squarely hit the line. The OUT call is totally justified but I can see a case for calling it either way.
If u have one foot stuck in yesterday & one foot stuck in tomorrow, u are peeing on today.