Officially the reason that the DNC is going with a ‘virtual roll call’ for the Biden nomination is the issue in Ohio. But Gov. DeWine has offered to quickly pass a bill to make sure that Biden will still be on the ballot.The DNC’s decision to switch to a virtual roll call may be exploiting worries about Ohio, but like the rest of its campaign decisions has more to do with locking in the nomination for Biden while avoiding a floor fight.Most people refused to believe me when I told them that Biden would run or the party would nominate...