It is natural to disagree with politicians, but no matter how opposed one is to their values, inciting violence against them through misinformation — as Trump did with his video — is never OK.

The tweets, which have been decried by Democrats and Republicans alike, lacked the context of a long history of anti-Semitic tropes and offensive stereotypes.

When it made landfall in Puerto Rico Sept. 20, Hurricane Maria was the largest storm the island faced in the last 80 years. Almost the entire population of the island — nearly 3.5 million American...