* Editor’s Note: This is the 20th chapter in Volume 3 of Publisher and Editor Donald H. Harrison’s 2022 trilogy, “Schlepping and Schmoozing Along the Interstate 5.” All three books as well as others written by Harrison may be purchased from Amazon.com.* *Schlepping and Schmoozing Along the Interstate 5, Volume 3, Exit 48 (Cannon Road): Gemological Institute of America* From Northbound Interstate 5, take the Cannon Road exit, turn right toward Legoland, turn right again onto Legoland Drive, then bear right onto Armada Drive. The Gemological Institute of America is at 5345 Armada Drive, Carlsbad…