On this episode of The Children's Hour, we learn all about the Post Office from the American Postal Workers Union Local 380 President, Ken Fajardo. Mr. Fajardo has worked at the United States Postal Service for over 30 years, and explains what happens when a letter goes through the mail. We also learn about stamp collecting and how the postal service makes a big difference in elections. Plus, puzzlemaker Riya Joshi challenges the Kids Crew to a puzzle on the air. Learn with us!