A worker at Walmart corporate is asking thousands of fellow employees to take part in an organized “sick out” over the retail giant’s gun and ammo sales. CNN reports that Thomas Marshall, one of three employees organizing the walkout, sent a message on a Slack and email chain “that included about 20,000 people.” The message said: In light of recent events, and in response to Corporate’s inaction, we are organizing a “sick out” general strike to protest Walmart’s profit from the sale of guns. Walmart is a company that has always placed its associates and customers first, and we have...