I don’t see how we can toss Mahmoud Khalil out of the country

Mahmoud Khalil , a prominent Palestinian activist, was recently arrested by federal immigration agents.

Ruben Navarrette : If we’re going to deport immigrants who came here legally because they endangered our national security, I don’t see how we can toss him out of the country.

He says the government hasn't produced a single syllable showing how Khalil ’s conduct impaired American security.