The administration imposed mandatory quarantine orders on two passengers from the cruise ship hit by hantavirus and is blocking Americans who catch Ebola from returning home for treatment.
(Image credit: Rebecca S. Gratz)
Cheng's comments come as Taiwan awaits approval on a $14 billion arms package from the U.S., and as uncertainty lingers over Washington's long-term commitment to the island's defense.
(Image credit: I-HWA CHENG)