Conservative guest yells at Chris Hayes over Obamacare

In a chaotic, weird and ultimately exhausting segment of โ€œAll Inโ€ on Wednesday night โ€” a segment that was presumably supposed to be devoted to discussing Obamacareโ€™s oft-delayed deadlines โ€” Hayes got into a lengthy argument (โ€œdebateโ€ would be too kind) with Jennifer Stefano, a Pennsylvania-based employee of the Koch-funded and Tea Party-aligned American for Prosperity group.