Yes, I'm priming with the primer seating arm on the press (Rock Chucker) at the same time I am resizing. An yes, I lube the outside of the case and swab a little on the inside of the neck so my expander ball doesn't get stuck.
I guess I just have to be more careful. 1 in 1000 ain't too bad. But if that 1 out of 1000 was on a B&C buck, I would be reduced to tears.