Two of Donald Trump's most hotly debated proposals are a ban on the entry of any Muslims into the country and the deportation of all undocumented workers. We get some legal surprises and some astonishing estimates of logistical challenges and impact on the size of government.
Later on the program, it didn't last long, but the fourth largest economy in the world set a kind of record this week for renewable energy.
Photo: Farhana Quayoum (L), Angel Ouza (C) and Rhima Aoun volunteer at a rally encouraging Arab-Americans to register and vote during this Saturday's democratic presidential caucus, in Dearborn, Michigan. (Rebecca Cook/Reuters)