mcdevitt: i don't think so. no. china's not stupid. they're not going to, why would they want to start a, a conflict with a nuclear armed united states. thn sharyl: fallout continues over the april release of more than eleven million documents dubbed the panama papers. it was an unprecedented leak that exposed how wealthy individuals use anonymous offshore entities to hide their assets. a whistleblower obtained the documents from one of the biggest offshore law firms in the world based in panama, mossack fonseca. the group that broke the story investigative journalists. we talked to its director gerard ryle and started by asking what, exactly are the panama papers? gerard ryle: what they are, basically, is a day-by-day, blow-by-blow account of the offshore world. i mean we're looking at everyone , from prime ministers, kings, emirs, presidents around the world, but also drugs dealers, people that have been convicted for various crimes, including so what they are, are basically people who use offshore accounts for secrecy. sharyl: what