Democratic presidential candidate Hillary Clinton speaks at Valley Southwoods Freshman High School in West Des Moines, Iowa, on Sunday, Jan. 24, 2016.
Democratic presidential candidate Hillary Clinton speaks at Valley Southwoods Freshman High School in West Des Moines, Iowa, on Sunday, Jan. 24, 2016. Patrick Semansky AP
Democratic presidential candidate Hillary Clinton speaks at Valley Southwoods Freshman High School in West Des Moines, Iowa, on Sunday, Jan. 24, 2016. Patrick Semansky AP