 Complete the following phrase:  In the early 1990s in Paris, with journalist Patrice Barrat, Spencer developed the innovative Vis à Vis series: transcontinental two-way video dialogues linking people face to face from their homes and workplaces using videoconference technology. Recorded over a period of a week, then edited into 15 one-hour programs for European broadcasters. The Vis à Vis format was later used as a model for many trans-border, cross-cultural exchanges. Working with producer Steven Lawrence, three programs were created for PBS, including Beyond the Veil in 1997, which connected a schoolteacher in Tehran with her counterpart in Washington D.C.  the first independent Iranian-US media co-production after the 