News bites: Yahoo chairman steps down

Yahoo Chairman Alfred Amoroso announced that he is stepping down, The Associated Press writes. 

A federal judge in Seattle slashed Google's demand for patent royalties from Microsoft, Bloomberg explains. 

The U.S. service academies are ramping up efforts to train officers for cyberwarfare, The Associated Press reports. 

Time Warner Cable CEO Glenn Britt said Google Fiber is an "overbuilder" and questioned their intentions, according to Multichannel News.  

Samsung grabbed more market share from Apple, Reuters reports.