president, they are that testing option in there. this is a big change from where the administration was just recently. >> reporter: it's a significant change. it follows the arc of what this administration has done over the last several months. a big change from just a couple months ago this summer when the president simply did not feel it was his obligation or his responsibility to impose mandates on private businesses or even federal government workers. this has been something that's been a bit of a crescendo since he made the decision to require workers to either get vaccinated or test weekly. that was amplified today, requiring federal workers, people under his purview. the biggest news, as you said, was to private businesses. anyone with 100 or more employees across the country, under an osha rule. that is designed to protect workers, keep them safe. that is what this is under. yes, there are almost certain to be lawsuits. republican governors across the