“Gangnam Style” artist PSY signed to US deal: Will he be the 1st Korean superstar here, or a one-hit wonder?

Scooter Braun, the management guru behind Justin Bieber and Carly Rae Jepsen, today announced he's signed Korean rap artist Park Jae-Sang, better-known as PSY, the dude with the huge viral video hit, "Gangnam Style" (see above). The goofy, annoying techno-dance thumper with the horsey-straddling giddyup choreography is unavoidable -- with more than 107 million views as of this writing, it's become...