Hundreds of Southwest Airlines employees protested outside the carrier’s headquarters in Dallas against the pending COVID-19 vaccine mandate, according to footage posted online. A flyer that circulated online for the event called for a peaceful protest against the COVID-19 vaccine mandate, calling on workers and others to gather outside the headquarters. “Let your voice be heard,” the flyer says. “Please join your Southwest Cohearts, vaccinated or not, in exercising your first amendment right to a peaceful protest of the recent Covid-19 vaccination mandate.” Some protesters were seen holding signs that read, “No jabs for jobs,” “freedom not force,” and “terminate...