NYDN gossip columnists Rush & Molloy , who are like 30-0 on hip-hop rumors, say that Jay and Nas are getting ready to record their collaboration album. Rumors continue to swirl about Jay-Z’s still-unconfirmed new record label, Carter Music Group. We hear that Jay is partnering with rapper Nas on an album of duets, “The Kings of Hip Hop,” to be released on the ...