Here's a link to an interview in today's New York Times:

http://artsbeat.blogs.nytimes.com/2014/01/17/a-conversation-with-steven-moffat-a-sherlock-co-creator/?action=click&contentCollection=Television&region=Footer&module=MoreInSection&pgtype=article

Not a whole lot of new stuff--a fair amount about his previous work, along with Sherlock tidbits--but nice nonetheless.