At a veteran-led protest on Capitol Hill, grief and dismay reverberate over Iran war
April 20 in Washington, DC.](https://npr.brightspotcdn.com/dims3/default/strip/false/crop/3306x2204+0+0/resize/1100/quality/50/format/jpeg/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2Fde%2F13%2Fbe6d57ac433586d41fddeac89814%2Fgettyimages-2272262799.jpg)
Veterans, military family members and supporters are detained by Capitol Police officers during an demonstration in the Cannon House Office Building on Capitol Hill