A mural of Sen. Bernie Sanders in Washington, DC, was vandalized with a likeness of Pepe the Frog in a suspected hate crime, police said. The colorful “Bern the System” artwork painted onto a concrete wall beneath Interstate 395 in the 100 block of H Street in the city’s Navy Yard section was defaced sometime between Dec. 15 and Thursday with the cartoon image that’s been adopted as a hateful meme by some alt-right extremists, police said. Cops were called to the site Saturday by one of the artists involved who felt the vandalism might be “motivated by hate or...