This weekend promises to be a fraught one for Greece, as the end of June deadline looms to repay nearly $2 billion to the International Monetary Fund. Eleventh hour negotiations resume Saturday between Greece and its European Union creditors. The IMF has been a key player in the fraught negotiations in Brussels, as the economist, Irwin Stelzer from the Hudson Institute in Washington, tells the BBC's Mike Johnson.
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The P4 laboratory, on the campus of the Wuhan Institute of Virology, in Wuhan, in China's central Hubei province. (Hector Retamal/AFP via Getty Images)