NightSide - Setti Warren is in Studio

BOSTON (CBS) - Newton Mayor Setti Warren is running to be the next Governor of Massachusetts. Tonight, he joins Dan in the NightSide studio to talk about his views on a hot button issue – sanctuary cities. The Massachusetts Republican Party has attacked Mayor Warren for supporting the push to make Massachusetts a sanctuary state, though Warren has also said he believes police should cooperate with federal officials. Where do you stand on this important immigration issue?