Gunfire erupts amid a crowd in Ahvaz, forcing Revolutionary Guardsmen, civilians and government officials to take cover. Arab separatists are suspected in the attack, the country's deadliest in years.
Mayor Muriel Bowser answers a presidential tweet with one of her own, and her irritation is clear.
The Veterans Day festivities will likely include helicopters, fighter jets and, yes, tanks.
A coalition of groups is organizing to oppose the parade the president ordered the Pentagon to start planning for Veterans Day.