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WASHINGTON, DC - SEPTEMBER 18:  US Vice-President Joe Biden looks on during a bilateral meeting between President Obama and President Petro Poroshenko of Ukraine in the Oval Office of the White House September 18, 2014 in Washington, DC. The two leaders held a bilateral meeting to discuss a strategic aid package for Ukraine for its battle with pro Russian separatists. (Photo by Olivier Douliery-Pool/Getty Images)
WASHINGTON, DC - SEPTEMBER 18:  US Vice-President Joe Biden looks on during a bilateral meeting between President Obama and President Petro Poroshenko of Ukraine in the Oval Office of the White House September 18, 2014 in Washington, DC. The two leaders held a bilateral meeting to discuss a strategic aid package for Ukraine for its battle with pro Russian separatists. (Photo by Olivier Douliery-Pool/Getty Images)

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