Mashable: Biden to Ukraine – You’ve got one last chance. Don’t screw this up By Mashable. Published Dec. 8, 2015 at 7:46 pm US Vice President Joe Biden waves to people gathered ahead of his meeting with Ukrainian President Petro Poroshenko (unseen) in Kiev on December 7, 2015. Photo by AFP Joe Biden's message to Ukraine on Dec. 8 was crystal clear: Don't screw this up. Read more here