Another GOP loyalty test

House Minority Leader Kevin McCarthy is urging his party to oppose a bipartisan commission to investigate the January 6 insurrection. But a rebellion within his party is growing ahead of today’s vote. POLITICO’s Melanie Zanona reports on how the commission has become another litmus test for loyalty to former President Trump. Plus, Democrats abandon a push to delay the Biden administration’s latest arms sale to Israel. And TikTok refuses to appear before Congress. Melanie Zanona is a Congress reporter for POLITICO. Jeremy Siegel is a host for POLITICO Dispatch.  Jenny Ament is the senior producer of POLITICO audio. Irene Noguchi is the executive producer of POLITICO audio. Read more: McCarthy races to contain GOP defections on Jan. 6 commission