The front cover of Germany's biggest selling newspaper Bild features a photo montage of Angela Merkel, Germany's chancellor, wearing a spiked helmet as worn by Otto von Bismarck, Germany's first chancellor, as it sits on display at a news kiosk in Berlin, Germany, on Tuesday, July 7, 2015. German Chancellor Angela Merkel, whose country is Greece's largest foreign creditor, said she is "not especially optimistic" about finding a solution. Photographer: Krisztian Bocsi/Bloomberg via Getty Images
