On his new single "Push Thru," underground rap lifer recruited two of his up-and-coming younger peers in Curren$y and Kendrick Lamar. And in the beautifully photographed new video, directors Scott Fleishman and Fredo Tovar film all three rappers in their native locales: New Orleans, New York, Los Angeles. It helps that all three places are so ridiculously photogenic, but there's ...