Rabat - As U.S. President Donald Trump’s revised travel ban takes effect, an upcoming Fault Lines documentary on Al Jazeera highlights the consequences of a blanket policy that closes America’s doors to those with the most to lose. Last week, Trump suspended America’s entire refugee program for 120 days and signed a revised 90-day ban on travel to the US by citizens of six predominantly Muslim countries - Iran, Libya, Somalia, Sudan, Syria, and Yemen.