Andrea Stricker is the deputy director of the nonproliferation and biodefense program and a research fellow at the Foundation for Defense of Democracies.
Rafael Grossi, the director general of the International Atomic Energy Agency, holds a press conference at the agency's headquarters in Vienna, on March 1, 2021.
German emergency personnel load the stretcher used to transport Russian opposition politician Alexei Navalny, at Charité hospital in Berlin on Aug. 22, 2020.
U.S. President Donald Trump signs an executive order imposing new sanctions on Iran as Vice President Mike Pence, right, and Treasury Secretary Steven Mnuchin look on, in the White House on June 24.