British journalist Piers Morgan and US president Donald Trump’s personal lawyer, Rudy Giuliani on Thursday morning swore at each other in an explosive clash live on air.   Giuliani was appearing on the ITV’s Goodmorning Britain TV show to discuss the ongoing racial tension across the US following the death of George Floyd last week, which sparked Black Lives Matter protests across the US and the world. Piers Morgan was a friend to Trump until he started criticizing Trump over …