SLEEPLESS NIGHTS FOR ROBIN & GEORGE

New ABC honcho putting squeeze on the GMA gang

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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.