It's always fun to look back on past guests of Sesame Street. Everyone from Beyonce to Plácido Domingo has appeared on the kids' show. Here, six political figures who have walked the street and taught important lessons to our children.

Jesse Jackson

The two-time presidential candidate taught the children that they are all somebody.

Barbara Bush

Former First Lady Barbara Bush read Peter's Chair.

Ralph Nader

Activist and five-time presidential candidate Ralph Nader appeared in this funny clip from a PBS pledge drive. (Barbara Walters, too!)

Sonia Sotomayor

Supreme Court Justice Sonia Sotomayor explains political process.

Michelle Obama

The First Lady plants a vegetable garden to help children understand healthy eating.

Hillary Clinton

The former First Lady, presidential primary candidate, former New York Senator and former Secretary of State talks about healthy living.

Laura Bush

Just like her mother-in-law, this former First Lady read a storybook to her friends on Sesame Street.