Lesley Gore was an American singer, songwriter, and actress known for her hit songs in the 1960s. However, there doesn't seem to be a direct connection between Lesley Gore and the phrase "young and foolish" in the context you provided. If you're looking for interesting facts about Lesley Gore's career or achievements, or if there's a specific aspect you'd like to know more about, please let me know, and I'll be happy to provide information.