Piers Morgan has revealed the fascinating reason why Donald Trump had a piece of paper covering his glass of water during their recent interview. In an interesting insight into life as the president of the United States, Morgan explained that it was to prevent Trump from being poisoned when drinking water. Discussing the ITV interview where Trump and Morgan faced off, the Good Morning Britain presenter described the swarm of employees surrounding the president. He said: 'One woman who came in, working for the White House for years - she said she's here for the presidential water - it's my job to supply the water'. Dubbing it the 'new Watergate', Morgan continued and said the dark haired woman returned shortly after with a jug of water and carefully poured a glass for the Trump.