In this week's Sunday Sitdown, Academy Award-winning actor Kate Winslet joins Willie Geist to talk about her new role as a dictator losing her grip in the buzzed-about new series "The Regime" and the head-spinning whirlwind of life after starring in one of the biggest movies in Hollywood history. With a handful of conference championships still to be decided this afternoon, college basketball fans are ready to fill out their March Madness brackets when the men's and women's fields are announced. NBC's Jesse Kirsch reports for Sunday TODAY. The House of Representatives passed a bill that could ban TikTok if the popular app does not separate from its Chinese parent company ByteDance. The vote was bipartisan and passed in a landslide even after millions of users spoke out against the ban. NBC's Savannah Sellers reports in this week's Sunday Focus. As sensational as MLB all-star Mookie Betts is at baseball, he spends his time away from the field on another American pastime that he says helps his success at-bat. NBC's Morgan Chesky reports in this week's Sunday Spotlight. Sunday TODAY's Willie Geist runs through the Highs and Lows of the week including Ryan Gosling's performance of "I'm Just Ken" at the Oscars, rats raiding a police evidence room and more!