I pay attention to Peter Lucas, who writes on politics for the Lowell Sun. I seldom disagree with what he says and I never dismiss out of hand anything he says about Massachusetts politics. So, when he did a column the week before Christmas on why so many persons leave the legislature in the middle of their terms, I lapped it up. Lucas has been around forever, and, like I said, he really knows his stuff. "...over the past five years," he wrote, "the upper branch of the legislature has seen at least five senior members, all Democrats, leave, taking with them years of invaluable experience that went out of the Senate chamber with them," ["Climate change spurs Senate's brain drain," 12-22-15]. I recommend you read the entire column by going to: http://www.lowellsun.com/peterlucas/ci_29297759/peter-lucas-climate-change-spurs-senates-brain-drain Lucas cited East Boston Senator Anthony Petrucelli as the latest example of this trend. Petrucelli's resi...