IT’S HAPPENING HERE: general general Public art lifts the Lynn community A local driver slows, sticking his head out his truck window to call out to our group as we’re led on a tour of downtown Lynn. “Hey Al, they appear great!” Al Wilson, bearded and a bit disheveled, grins and stretches out a tactile turn in gratitude. “Thanks, cousin!” The motorist is referencing the looming murals in front side of us, in a variety…