Caption
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)
Katherine Zimmerman
Resident Fellow, American Enterprise Institute
Sort by:
Caption
Protestors chant as they ride on an army tank transporter in Tahrir Square on January 29, 2011 in Cairo, Egypt (Photo by Peter Macdiarmid/Getty Images)
