The Talk Shows May 20th, 2018 Guests to be interviewed today on major television talk shows: FOX NEWS SUNDAY (Fox Network): Treasury Secretary Steven Mnuchin; Sen. Lindsey Graham, R-S.C.; incoming National Rifle Association President Oliver North; Mark Kelly, co-founder of Giffords, a gun-control advocacy group.MEET THE PRESS (NBC): Sen. Bernie Sanders, I-Vt.; Rep.