In 2012, the School of Visual Arts in New York put together a big, striking exhibition of protest posters by 30 artists from around the world responding to the third-term election of Vladimir Putin. The posters were installed upright like picket signs, standing like an army of dissenting bodies. Since then, conditions haven’t improved for defenders of rights like, say, not being imprisoned for reporting the news or speaking your mind (a graphically great poster depicts the Pussy Riot–ers in birdcages using nothing but lines and circles). Cornish has expanded on the original show, which already included Cornish grads. (Cornish Main Gallery, 1000 Lenora St,, noon–5 pm, free, through December 20)