Today: Free Class on Achy Knees

1. Knee Pain & Treatments. Jeff Traub, a DeKalb Medical orthopedic surgeon, talks about the latest advances in knee replacements and the treatment of knee conditions and pain. Free at 5 p.m. at DeKalb Medical.

2. Israel and Palestine. Miko Peled, author of The General’s Son: Journey of an Israeli in Palestine, will talk about his change from Zionist to champion of a single shared state where Israelis and Palestinians live in peace. 7 p.m. at Oakhurst Baptist Church. Free.

3. Consumer debt collection clinic. Consumers can learn about debt collection lawsuits. Volunteer attorneys will answer your individual questions. Free at 5:30 p.m. at the Decaur Library.

4. Weather. Sunny with a high around 80 and a low around 50.

5. On this date. In 1971, Coca-Cola began one of its best remembered marketing projects, featuring the song "I'd Like to Teach the World to Sing." (Source: This Date in Georgia History)