Did Trump’s 2017 tax cuts actually pay for themselves?

Key parts of the 2017 tax cuts expire at the end of this year, and the Trump administration is interested in Congress making them permanent. Supporters of a tax cut extension say it would pay for itself. But was that the case in 2017? We’ll do the numbers. Plus, it may sound straight out of a sci-fi flick, but one bioscience firm is attempting to resurrect woolly mammoths, dodo birds and other extinct wildlife.