Even so, he threw himself into the Culinary Union’s landmark 1984 labor strike in Las Vegas. He made protest signs and joined the picket at Sam’s Town, where his dad worked. The work stoppage, remembered as the longest in Vegas labor history, left both sides bruised. Rubio’s support for the strike was so strong he lashed out at his father — calling him a “scab,” — when the man eventually crossed the picket line to go back to work, Rubio wrote in his autobiography, “American Son.”