Two lessons should be gleaned from last week’s criticism by Democratic Sen. Mark Kelly of Arizona about President Joe Biden’s failure to deal with the crisis at the nation’s southern border.

The obvious lesson, but one no less important for its obviousness, is that the border situation is indeed a crisis and that Biden is spectacularly at fault. The second lesson is not about the border but about political opportunities. Congressional Republicans should recognize in Kelly’s distress a chance to build bridges with him. The ultimate goal would be to help move public policy back from Biden’s aggressive liberalism toward some semblance of moderation.