“Just three weeks ago, China announced the outbreak of a mysterious new virus in the city of Wuhan involving a cluster of people who’d been exposed to animals at a local food market. Flash-forward to Tuesday: the number of cases has leaped to nearly 300 and there are sick people in at least five other countries, including the first case of 2019-nCoV, as the virus is known, in the United States.” Vox: A SARS-like virus is spreading quickly. Here’s what you need to know.

+ In a huge healthcare/political win for Republicans, the Supreme Court showdown over Obamacare will be delayed until after the election.