Democratic presidential candidate Hillary Clinton waits to be introduced during a campaign event at Western Technical College in La Crosse, Wis., Tuesday, March 29, 2016.
Democratic presidential candidate Hillary Clinton waits to be introduced during a campaign event at Western Technical College in La Crosse, Wis., Tuesday, March 29, 2016. Patrick Semansky AP
Democratic presidential candidate Hillary Clinton waits to be introduced during a campaign event at Western Technical College in La Crosse, Wis., Tuesday, March 29, 2016. Patrick Semansky AP