Today President Trump said COVID-19 provides another reason to crack down on movement across the country's southern border with Mexico, and said both nations have agreed to restrict non-essential travel in an effort to reduce imported cases of the novel coronavirus."As we did with Canada, we're also working with Mexico to implement new rules at our ports of entry to suspend nonessential travel," Trump said. "These new rules and procedures will not impede lawful trade and commerce."Trump, who lashed out at reporters several times during today's briefing, also said he was not considering a national lockdown, as seen in Spain and Italy, at this time. "I don't think we'll ever find that necessary," he said.The COVID-19 US case count reached