Kristen Karst, co-founder, co-owner and chief brand ambassador for AmaWaterways, talks with James Shillinglaw of Insider Travel Report about her luxury river cruise line’s plans for new ships, new itineraries and a whole new river. Karst details plans for a second AmaMagna class ship, named AmaRudi after her co-founder and husband, Rudi Schreiner, and provides an update on plans to start river cruising on the Magdalena River in Colombia later this spring. For more information, visit www.amawaterways.com.