Trump: Immigrant families 'cannot be detained together'01:33
President Trump addressed the zero-tolerance immigration policy at a business forum, saying families arriving unlawfully at the border can't remain in detention facilities together.
Life at the border: How a wall could impact this Arizona town04:50
Johnson: Past Congresses gave White House ‘way too much power’01:49
Legal battles loom after Trump declares national emergency for border wall funding01:00
Trump declares national emergency to secure border wall funding01:45
Where will Trump get his national emergency funding?02:06
Watch Trump break into sing-song sequence on lawsuits, Supreme Court00:56