Hillary Clinton has called for an increase in the number of Syrian refugees resettled in the US from the current 10,000 annual level to 65,000 - which, Mr Trump likes to point out, is a 550% increase. She cautions that the refugees should be "carefully vetted", but notes that current procedures already involve a multi-year application process and refugees do not know in which nation they will be settled. She says the US has a history of welcoming those fleeing oppression and violence, which she wants to continue.