First the flu, now the gap; LI doc keeps rappin'

Dr. John Clarke is back to his old tricks, this time shining the spotlight on the LIRR's ongoing campaign to "Watch the Gap" when exiting trains. 

Clarke, the LIRR's medical director, delivered a rap -- much like he did for the swine flu prevention campaign last fall -- Thursday at the Mineola train station.

>> Read Tula Batanchiev's full story and watch the video below: