By John Dunnery Whether you’re a water polo player or a chess fanatic, a piano aficionado or an aspiring chef, there are times when you want to achieve peak performance. Perhaps you are taking a test, performing in a competition, or playing in a championship game. Maybe a special friend

©2016 Bloomberg News O29CJT6TTDSO (Bloomberg) — The Pentagon’s weapons buyer says the U.S. defense budget being delivered Tuesday has been designed to counter five threats: Russia, China, Iran, North Korea and extremist terrorist groups including Islamic State. “The strategic environment that we all live in is changing, and it’s changing