WASHINGTON – U.S. Senator Martin Heinrich (D-N.M) joined U.S. Senators Elizabeth Warren (D-Mass.) and Cory Booker (D-N.J.), alongside U.S. Representatives Gwen Moore (D-Wis.), Debbie Dingell (D-Mich.), Alma Adams (D-N.C.), Lauren Underwood (D-Ill.), and Ayanna Pressley (D-Mass.) in reintroducing the Mamas First Act, legislation that would address...