A complaint by Newt Gingrich about outside income led to which House Speaker's 1989 resignation?

Which Communist leader said in 1938, "Political power grows out of the barrel of a gun"? Which slow cooker brand name was trademarked by the Rival company in 1971? A compass needle points toward which north pole? A competitive speed skater since age 4, which American won her first Olympic gold medal in 1988? In a medical chart, a complaint of SOB means shortness of what? Which often-sung song was originally titled "Good Morning to All" in 1893? Which gas, discovered in 1774, got its name from the Greek words for "acid-forming"? Which component of the blood is abbreviated Hb?