politics June 23, 2021 7:37 am Sen. Sonia Chang-Díaz Running for Mass. Governor Sen. Sonia Chang-Díaz, a Boston Democrat and the first Latina elected to the Massachusetts state Senate, announced that she will run for governor in 2022 on Twitter Wednesday morning. US & World Videos 2:48 Key witnesses take the stand in Karen Read trial 1:59 Highly anticipated witness in Karen Read trial to take stand 4:04 Student violence impacts schools across Mass. 0:44 Deaths of 2 swans in apparent shooting under investigation 1:40 Berklee student speaks out about random attack