Democratic Sen. Cory Booker ended his record-setting speech the same way he began it, more than 25 hours earlier: by invoking the words of his mentor, the late congressman and civil rights icon John Lewis. “He endured beatings savagely on the Edmund Pettus Bridge, at lunch counters, on freedom rides. He said he had to do something. He would not normalize a moment like this,” Booker said of Lewis’ work as a young activist during the Civil Rights Movement. “He said for us to go out and cause some