Donald Trump's sister said her brother has 'no principles', 'you can't trust him' and he has been 'lying' throughout his presidency, according to secret audio recorded by the president's niece. Maryanne Trump Barry, 83, slammed the president for his 'phoniness' and called him 'cruel' over his controversial migrant policies where thousands of children were separated from their families and held in detention centers. 'It's the phoniness of it all. It's the phoniness and this cruelty. Donald is cruel,' she is heard saying in the recordings, obtained by the Washington Post. The president's older sister also dismissed Trump's intelligence saying 'he...