Speaker Nancy Pelosi will have the final say over the panel’s GOP members, assuming House Minority Leader Kevin McCarthy appoints them at all. But many in her caucus are still anxious about the prospect of Republicans starting another bitter fight by trying to appoint members who voted against certifying President Joe Biden’s win on Jan. 6. Even worse, in their minds, would be GOP riot investigators who some Democrats view as having abetted the attack. “The issue is that … there are indications that some of these folks were in on it. And we can't have folks who were in on it in the investigation,” Rep. Alexandria Ocasio-Cortez (D-N.Y.) said in an interview.