Mr. Porter didn’t have permanent security clearance. That has renewed attention on other aides who haven’t secured top-level clearance, including Jared Kushner, the president’s son-in-law and senior adviser.

Separately, our Washington investigations editor, Mark Mazzetti, and other Times journalists will be on a panel discussing the Russia investigation today at 7 p.m. Eastern. You can watch it here live, and find answers to readers’ questions.

“Hangry” on the halfpipe

• Maybe she didn’t need that breakfast sandwich after all.

Chloe Kim, a 17-year-old American snowboarder, won the gold medal in women’s halfpipe today in Pyeongchang after lamenting on Twitter that she hadn’t finished a snack. We looked at how she achieved a nearly perfect score.

Here are

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