<prompt> Gadzira shanduro yakaoma kunzwisisa yemutsara uyu muma1990, aishanda kuCNN muAtlanta neWashington.  <response>: Chokwadika, shanduro yakaoma zvikuru yemutsara wacho ndeiyi Muma1990, akashanda kuCNN muAtlanta neWashington uye akanga achishanda paJohns Hopkins University pakati pa2001 na2011. 