Inside the Americas

US presidential race: The story of Melania Trump

This week, as Donald Trump is officially nominated as the Republican Party's candidate for the White House, his wife takes centre stage with a speech that sounds awfully familiar. We tell you more about Melania Trump. Also, just ahead of the Olympic Games, we look at Rio de Janeiro's ongoing pollution problem. Finally, we look ahead to the US blockbusters which are hitting the big screen this summer.