January 8, 2021 11:48 pm Mayor Walsh Nominated for US Labor Secretary President-elect Joe Biden introduced Boston Mayor Marty Walsh as his pick for labor secretary Friday. US & World Videos 2:39 Student protesters in Boston face new threats 2:04 Understanding the pushback against MBTA's zoning law 1:50 Boston student protesters face new warnings 2:30 Police shoot and kill armed man in Raynham, authorities say 2:02 Protesters at local campuses look on as dozens detained at Columbia