Peter Rosenberg: From Montgomery County to top of the hip-hop heap

Rap beef doesn't get weirder. In one corner, a Jewish hip-hop dork from Montgomery County. In the other, an azalea-coifed visionary from the top of the charts. It's been a strange 362 days since New York radio personality Peter Rosenberg clashed with rap superstar Nicki Minaj at Hot 97's Summer Jam, the most talked about summer hip-hop concert on the planet. Onstage, Rosenberg denounced a Minaj song for skewing too pop. Backstage, Minaj harrumphed and pulled out of the radio station's annual meg...