Panera Bread is the most recent business to ask criminals — um, customers, that is — to leave their guns at home. Shannon Watts, founder of Moms Demand Action for Gun Sense in America, said she was thrilled that “months of discussions” had finally convinced the company to implement a new gun policy.

Tuesday night on Twitter, though, Second Amendment proponents sent #IAmForGunRights trending, and their reasons were varied and plentiful.

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