Why do countries restrict immigration and travel? -- A history of immigration legislation / Beth Rowen -- Protecting public health? / Suzanne B. Goldberg -- A travel ban won't solve the ebola crisis / Tara Culp-Ressler -- President Trump's travel ban / U.S. Department of Homeland Security -- What changed in the revised travel ban / Tom McCarthy -- Is president Trump's travel ban racist or necessary? -- Reaction to the travel ban / Clark Mindock -- Trump's travel ban is not racist / Corine Gatti -- It's not about fighting terrorism / Kermit Roosevelt III -- Trump's travel ban makes Americans less safe / Ken Gude -- Without better screening of immigrants, we need the travel ban / Lee Smith -- Who deserves to come to America? -- Trump can't hide the racism of the travel ban / Nicole Colson -- Merit is hard to judge / John Carson -- All immigrants can benefit America / Raquel Aldana -- International students benefit America / Paula Calligiuri -- Fear leads to hate crimes / Ingrid Anderson -- Facts about immigration and travel restrictions -- Organizations to contact.