by Andrew BEATTY with Michael MATHES in Colorado Springs WASHINGTON, United States (AFP) — President Barack Obama on Tuesday slapped down Donald Trump’s claim that the 2016 presidential race is rigged, telling the Republican nominee to “stop whining” and get on with his campaign. In language usually used to scold a moody teenager, Obama discarded diplomatic decorum and skewered the mogul from the Rose Garden in front of visiting Italian Prime Minister Matteo Renzi. Trump […]