BRISTOL, Tenn. (AP) — Kyle and Kurt Busch haven't always seen eye-to-eye. But as years have passed NASCAR's iciest sibling rivalry has thawed a little bit, at least to the point where they can joke around a little bit.Kurt Busch did just that Friday after Kyle Busch edged him out by 0.002 seconds to take the pole for the Cup Series race Sunday at Bristol Motor Speedway. "I can walk up to him and say, 'Yeah, I let you have it' and he will giggle.