Her show at the Museum of Modern Art is a head-scratcher At the corner of Manhattan’s Tenth Avenue and 22nd Street, there is a mural by the Brazilian artist Eduardo Kobra. Situated over the landmark Empire Diner, Kobra’s painting reimagines Mount Rushmore as a paean to art stardom or, depending on how one looks at these things, the tragically hip and perpetually overrated.  Kobra supplants George Washington, Thomas Jefferson, Abraham Lincoln and Theodore Roosevelt with the graffiti artists