Ex-Rep. Susan Molinari, R-N.Y., joins Google Washington office as...

Ex-Rep. Susan Molinari, R-N.Y., joins Google Washington office as vice president of public policy and government relations for the Americas … Comcast promotes William Strahan to executive vice president-human resources, Comcast Cable … New positions at Martha Stewart Living Omnimedia: Gael Towey becomes chief integration and creative director; Kerry Tucker promoted to senior vice president-partner marketing … Nexstar Broadcasting names Arika Zink, ex-Four Points Media Group, vice president-general manager of WEHT-TV Evansville, Ind., and Mission Broadcasting’s WTVW-TV, replacing Mike Smith, retiring.