Photo by Madison Rutherford “Plant-based food with a rock star attitude” is the mantra at this new modern Mexican restaurant in Tempe where you’ll find trendy, vegan fare and a lively-yet-lowkey vibe. At GuacStar Kitchen & Cantina, waiters are hired based on whether their disposition vibes with the concept instead of their serving credentials. Is the restaurant populating its space with unqualified servers? Not in the slightest. According to co-owner Jimmy Carlin, it’s easier...