Plot: This trip, Guy Fieri's pickin' up where he left off at some Flavortown hot spots! First, a gourmet taco spot in Phoenix has expanded, platin' new specialties like decadent deep-fried pink mole quesadillas and top-tier Tamarindo mahi-mahi tacos. Then, a Boston pizza joint now has two locations slingin' their signature pies and more, like the mac cheesy pizza and a toothsome turkey sub