MTG – Georgia Republican Rep. Marjorie Taylor Greene, a vocal member of the far right and close ally of former President Donald Trump, sits down with Lesley Stahl for a wide-ranging interview and profile. Stahl speaks with the influential Republican congresswoman at her home in Georgia and meets in the halls of Congress in Washington, D.C., to discuss her America First, populist views as she continues her rise in the party. The Secretary and the Border – Sharyn Alfonsi reports from the U.S.-Mexico border and interviews Homeland Security Secretary Alejandro Mayorkas about the large number of migrants trying to enter the U.S. Fire and Ice – Bill Whitaker returns to Iceland to report on a volcano that erupted in 2021 and now boasts a new landscape of molten rock and snow. Whitaker explores the discoveries made by Icelandic scientists in forecasting eruptions, which could apply to similar volcanoes worldwide.