 On this date in 1989. And that's Iowa Almanac for July 19th. There's more online at IowaAlmanac.com. Until Monday, I'm Jeff Stein. I'm Kareem Abdul-Jabbar. I learned about atrial fibrillation the hard way. My symptoms would come and go. Shortness of breath, fatigue. I kept going. Then I got so lightheaded, I couldn't.