Hardball with Chris Matthews 05/07/15

Is ISIS setting up cells in America?

ISIS says it has sleeper cells in 15 states, ready to strike. Meanwhile, in Texas, Pamela Geller endangers herself by hosting a carnival of anti-Islamic art. How much trouble will this ignite? Rep. Sheila Lee Jackson (D-TX) and terrorism analyst Evan ... more Duration: {{video.duration.momentjs}}