'He doesn't want to work weekends?' Congressman Ro Khanna asks about Grassley in Union Hall (on Saturday)

BURLINGTON, Iowa — Congressman Ro Khanna, speaking Saturday with workers at a union hall in Burlington, after traveling much of the weekend in the Midwest to promote the creation of more high tech careers and a modern industrialization of the nation — what he calls a new economic patriotism — asked workers what they thought of U.S. Sen. Charles Grassley…