Claims of “no collusion” on Russia is one thing — but is cheating in golf a whole other game? A new book entitled “Commander in Cheat: How Golf Explains Trump” by Rick Reilly chronicles all the ways President Donald Trump plays loose on the links, even allegedly cheating against Tiger Woods. We opened the lines to ask our listeners: Could this cheater’s spirit damage Trump’s 2020 chances?


Then: Brexit for dummies with Boston Globe columnist Alex Beam. His latest book is “The Feud: Vladimir Nabakov, Edmund Wilson and the End of a Beautiful Friendship.”


The Red Sox are off to a rough start; Tom Brady has joined Twitter; and the Celtics are coping with racist taunts from a “fan” in the crowd. Trenni Kusnierek, an anchor and reporter with NBC Sports Boston, joined us for that and more.


Many people in America are grappling with a retirement crisis — one third of retirees have no savings at all. Katherine Newman, the interim chancellor at UMass Boston, joined us to discuss her latest book, “Downhill From Here: Retirement Insecurity in the Age of Inequality.”


Lunch is the new breakfast, with lunch bells going off as early as 9 a.m. in school cafeterias across America. Food writer Corby Kummer joined us for this and more. Kummer is a senior editor at The Atlantic and an award-winning food writer and a senior lecturer at the Tufts Friedman School of Nutrition and Policy.


We discussed Frank Bruni’s latest piece about being a culinary curmudgeon: Instead of looking for the latest trendy spot, Bruni is now looking for comfort and familiarity, safety in the known. We then opened up the lines to ask our listeners where they land.


CNN’s John King joined us to go over the latest political headlines. King is CNN’s chief National Correspondent and host of “Inside Politics,” which you can catch Sunday mornings at 8 a.m. and weekdays at noon.


And finally, media maven Sue O’Connell joined us for her take on Fortnite — a force of evil? O’Connell is the co-publisher of “Bay Windows” and the “South End News,” and the host of NECN’s “The Take with Sue O’Connell.”