Thomas Roberts of MSNBC was supposed to interview NOM co-founder Maggie Gallagher but MSNBC mistakenly booked the wrong studio.

Thomas Roberts apologized by twitter:

This came after the scheduled segment took place, during which Roberts tried to claim Maggie missed the interview intentionally:

After plugging the interview several times this morning, MSNBC host Thomas Roberts just showed the above empty Seattle studio and said, "This empty studio chair was supposed to hold Maggie Gallagher, former president and co-founder of the National Organization for Marriage. But as you can see she is missing in action, although we did confirm an hour ago that she would be in that studio. I would say, 'Hello Maggie,' but you're not there."

Maybe in future it would be best for hosts to not automatically presume their guest is the one at fault.

MSNBC is working with Maggie to reschedule the interview soon.