A woman holds up a US national flag during a protest against US President Donald Trump's immigration rules at the Regan National Airport in Arlington, VA on February 1, 2017. Trump's order bans the arrival of citizens from Iran, Iraq, Libya, Somalia, Sudan, Syria and Yemen for at least 90 days. All refugees are barred for 120 days, while Syrian refugees are blocked indefinitely. / AFP PHOTO / PAUL J. RICHARDS