SLEEPLESS NIGHTS FOR ROBIN & GEORGE

New ABC honcho putting squeeze on the GMA gang

GOOD Morning America heavyweights Robin Roberts and George Stephanopoulos are worried about getting knocked out by ABC’s new boss, Debra O’Connell, sources say!

Double-fisted Debra — who’s helmed network and television business operations for Disney Entertainment Television — has been handed unprecedented power to punch up sagging ratings and revive the tarnished reputation of scandal-scarred ABC News.