“What strikes you about Jaume Plensa’s twin glass towers at Millennium Park are the faces, as big as JumboTrons, that appear to be looking at you. And since late November, they actually have been. A $52 million grant from the Department of Homeland Security bought the Chicago area a host of public safety improvements–including an obvious and ungainly camera atop each of Plensa’s giant glass towers.” The move has not been a hit with the aesthetically inclined.