MOBILE, Ala.—The trees tell the tale.  In the weeks before Lent, their branches begin to glisten in the late winter sunlight. The parades begin, and day after day, the beads make their landing, tangling themselves—purple, green and golden plastic—in often-bare limbs. The streets speak, too.  As the good times roll at Mardi Gras, float by … Continue reading During Mardi Gras, Tons of Fun Comes With Tons of Toxic Beads