Eight-hundred thousand federal employees are back at work Monday after President Trump and Congress agreed to open the government for three weeks. Also, recreational marijuana is now legal in 10 states and Washington, D.C., and it’s bringing in billions in revenue. But when it comes to science about its safety, medicinal properties or even its benefits, we’re still in the dark ages, says New Yorker writer and author Malcolm Gladwell. That and more, in hour one of Here & Now’s Jan. 28, 2019 full broadcast.