PepsiCo said Tuesday that it's buying Mexican-American food company Siete Foods for $1.2 billion, marking the company's first food acquisition in roughly five years. Like many food companies, Pepsi has been trying to shift its portfolio to include healthier options in recent years, usually through acquisitions. Recent additions include Bare Snacks, Health Warrior and PopCorners. Soon that will also include Siete. Founder Veronica Garza started the company in 2014, when she began selling grain-free tortillas ...