CEO of security firm CLEAR talks partnership with United Airlines

United has become a new stakeholder in biometric screen security firm Clear. United is following Delta's lead and bringing Clear kiosks to all of its hubs including at Newark Airport. Caryn Seidman-Becker, CEO of CLEAR, joins "Squawk Box" to discuss along with guest host Michelle Girard, chief U.S. economist at NatWest Markets, and CNBC's Phil LeBeau.