Ben Ainslie's Great Britain are out of the America's Cup after New Zealand earned a 5-2 semi-final win. Leading 3-1 overnight in the best-of-nine contest, New Zealand won the first of Thursday's three scheduled races to take them to the brink. And although Britain won the next race, New Zealand took the third. "Three and a half years ago a few of us were sitting around a table in London – what we have we have achieved is incredible," said…