Joey Logano is a champion again. The driver of the No. 22 car sat on the pole, dominated Stage 1 and never trailed any Championship 4 driver at Phoenix Raceway on Sunday en route to a huge victory and his second NASCAR Cup Series championship. Logano, 32, was the oldest driver in a young Championship 4 field — and the veteran asserted himself on Sunday. “We did it!” Logano told NBC Sports, championship smoke in the air. “Oh my God, I’m so excited. Thank you to everybody, my team. You guys are amazing. Gave me a good race car, good pit stop there at the end, got us up in front. Boy that was int…