“One hell of a ride.”Credit: Pat MartinPat Martin is one of the most renown, respected, and well-known barbecue pitmasters in the country. He’s an expert on West Tennessee whole-hog style barbecue and that has led to a portfolio of restaurants, television shows, and a cookbook. But this October, the Tennessee native is celebrating how it all began.Credit: Pat MartinMartin is celebrating 20 years of Martin’s Bar-B-Que Joint but it turns out that …