I often disagree with Rep. Justin Amash, R-Mich., but I’ve been disturbed by the idea that he should be run out of the Republican Party just because he believes President Trump committed impeachable offenses.

Amash is basically a libertarian Republican who I’d agree with on a number of domestic issues but disagree with vehemently on a number of areas of foreign policy. There are plenty of ways for other Republicans to challenge him on all of his stances that deviate from the broad consensus within the party, including on the issue of impeachment. But the reaction to his comments has been over the top and signals that no issue is more important to congressional Republicans than demanding total fealty to Trump.