Can the government force you to stay home? And if so, can enforcement go too far?

With about half a million confirmed cases of Covid-19 across the United States, a lot of people are looking for guidance about how to stay safe and stop the spread of the virus. The message from the federal government has been confusing, to say the least. And each state seems to be doing its own thing. The failure to take decisive action to enforce physical distancing may have deadly consequences. But can enforcement go too far?