Rosenberg, an Amherst Democrat, was first elected Senate President in 2015.
Senate President Stan Rosenberg, D-Amherst, plans to run for reelection and will seek a third two-year term as Senate president.
"If I'm reelected first by my constituents, then I'd ask my colleagues to consider giving me another round," Rosenberg told reporters at the Statehouse on Tuesday.
Rosenberg has served in the Legislature since 1987 and the Senate since 1991. He was...