Two years ago, my buddy Brain Fart laid it out for me over a steak dinner. His big blue eyes were wide with excitement as he spun his theory. "So you see, the amalgamated essences of all those heroes, concentrated in a single beam, should..." A shadow swept over his face, and he frowned. His big bald head shrank as if someone had let the air out of it. "Uh...duh..." It was gone, all of his genius, just like that. He was reduced to a moron...but not for long. That was his power: bursts of brilliance alternating with bursts of stupidity. Hence the name. "Oh, dear." He cleared his throat and picked up where he'd left off. "The amalgamated essences, concentrated in a single beam, properly directed, should destroy the excess carbon dioxide in Earth's atmosphere, returning it to a p