We mailed 100 letters to test the Postal Service. The verdict: Spotty at best, dismal at worst
The letter — filled with stickers for a 5-year-old boy named William — was mailed at the post office in the Los Angeles community of Sylmar on Aug. 22. It was sent first class, at a cost of 55 cents, and with a promise, according to the U.S. Postal Service website, of “delivery in 1-3 business …