Holocaust Museum L.A. is holding “What History Teaches: Isolationism, Immigration, and the World Watching,” an online discussion with Dr. Daniel Greene of Northwestern University on Tuesday, Dec. 9, from 10-11 a.m. Learn about the United States’ reaction to Hitler’s rise to power and the persecution of Jews, focusing specifically on restrictive immigration policy, isolationist sentiment and the consequences of American inaction. holocaustmuseumla.org.