Tuesday’s hearing from the committee investigating the Jan. 6 insurrection on the Capitol focused on far-right extremist groups like the Oath Keepers and the Proud Boys. White supremacist groups have a growing presence in New England, raising major concerns about their actions and, in some cases, the lack of law enforcement response to their public demonstrations. GBH senior investigative reporter Phillip Martin joined GBH Morning Edition host Paris Alston to connect the national actions to local movements. This transcript has been lightly edited. Paris Alston: One witness who testified yesterday was Jason Van Tatenhove, a former national spokesman for the...