There seems to be something wrong with the PBS schedule today, it's out by an hour.
According to the EPG, PBS NewsHour should be on since 13:10 followed by History Detectives. However, History Detectives is on now although I don't think it's the episode scheduled for 14:10 this afternoon. I'll post again in 15 mins. when the next programme has started.
AFAIK, Daylight Saving Time in the US changed on 6th November so it is unlikely to be related to that!

---------- Post added at 14:26 ---------- Previous post was at 14:00 ----------
Well we seem to be back on track with the scheduled episode of History Detectives on now. I wonder what happened to PBS NewsHour or was that a scheduling error and we were supposed to have a double bill of History Detectives all along?