sacramento, california really spoke with university of california davis history professor lisa madison. materson. she talks about activist ruth reynolds and her role in the reagan independence movement. this is about 20 minutes. >> lisa materson is an associate professor at the department of history at u.c. davis. you talked this morning about puerto rico and why it's important to historians. what did you tell your audience? >> i focused on the importance of placing puerto rico at the center of studies of u.s. by u.s.or work historians. so often puerto rico, particularly among u.s. historians is not seen as part of u.s. history, or it falls through the cracks of latin american history or u.s. history. the puerto rican studies association is a place where it's a very vibrant interdisciplinary conversation but because of the history of puerto rico as a colony, it doesn't fit neatly into the geographical categories so it doesn't get the focus for that reason among u.s. historians. >> right now puerto rico is in the headlines as it tries to recover from an awful hurricane that basically de