A contingent from the Yemeni Organization of Oakland marches in San Francisco's 'Families Belong Together' march. Spokesman Ameer Alkrizy says they're there to protest the Trump administration's travel ban, which targets five Muslim-majority countries, including Yemen. 'What's happening at the southern border basically is the same thing happening to Yemenis. Children are being taken from their parents when they try to come in,' he says.