National political conventions are by nature difficult-to-manage events. Even when the presidential nomination is not in question like it was in 1968, there can be conflicts and controversies that ...

Red, white and bruising: at the 1968 Democratic National Convention, conflicts within the hall were amplified in violence on Chicago’s streets. AP Images Theodore Roosevelt giving a campaign speech.

Tom Hayden, a ’60s student activism leader, recounted the political atmosphere when he arrested just under 40 years ago at the ’68 Democratic Convention, after a five-day confrontation with police in ...