Boardroom battles and power plays shaped this year's U.S. list, which boasts eight new faces and - surprise! - a new No. 1.
|Greece confirms it will default to IMF|
|Trump not backing down: 'Mexico is not our friend'|
|Obama wants to make 5 million more workers eligible for overtime|
|Apple Music is here: 5 things to know|
|NBCUniversal cuts ties with Donald Trump|