) Climate Update: Australia’s Great Barrier Reef on life support, with Steve Kitchen of STC Dive Center in Des Moines;

) Blowing up the desert … and democracy;

) The limits of presidential power, with Jeffrey Weiss;

) What makes the Republican Party unique in the world, with Jeffrey Weiss;

) Eating local in the Yukon, with Kathy Byrnes, Birds & Bees Urban Farm.