Gannett changes: Craig Dubow resigns as chairman and CEO due to...

Gannett changes: Craig Dubow resigns as chairman and CEO due to disability; President Gracia Martore, principal executive during Dubow’s leave, promoted to CEO and becomes a director; board member Marjorie Magner named chairman … CBS promotions: Thomas Shilen to chief financial and administrative officer-CBS News; Larry Liding to senior vice president, controller and chief accounting officer, CBS Corp. … Mike Mulica returns to Openwave Systems as CEO; interim CEO Anne Brennan returns to chief financial officer … New at Cable & Telecom Association for Marketing: Chair, Jon Hargis, Cablevision; Secretary/Treasurer, Steve Schiffman, National Geographic Networks; board members Mark Greatrex, Cox Communications and Jeff Hirsch, Time Warner Cable.