Express Maps not honoring custom basemap's extent?

[PeterKnoop]

@RossDonihue @OwenEvans1  seems like there might be a bug in Express Maps, where it does not correctly honor a custom basemap's default extent?

My Maps basemap won't appear in Story Tour 

[OwenGeo · Accepted solution]

Thanks @PeterKnoop! I replied on that thread with some information about this situation.