Rudy Giuliani has called on President Donald Trump to declare Black Lives Matter a "domestic terror organization. "The former New York City mayor made the call during an interview with Fox News host Martha MacCallum this week.Giuliani, who led the federal prosecution of New York City mafia bosses 1980s before driving crime rates right down in the 90s as mayor, was speaking about NYC Mayor Bill de Blasio, who he blasted as "pathetic" and "an idiot" over the Big Apple's soaring violence.