US President Donald Trump has blamed a teleprompter going "kaput" for a glaring anachronism in his Fourth of July speech. He told crowds on Independence Day the Continental Army "took over the airports" from the British during the American Revolutionary War in 1775. Explaining away the slip-up on Friday, Mr Trump also said it was hard to read the teleprompter in the rain. He hosted a military parade at the Lincoln Memorial on Thursday. During his "Salute to America" speech, he was talking about the year 1775 when he said: "Our army manned the air, it rammed the ramparts, it...