Biden expected to expand his delegate lead over Sanders; an important state Supreme Court race is also on the ballot
The 21st in our series takes us to a deep red state that wasn't nearly as supportive of Donald Trump in 2016 as it has been for other recent Republican nominees.
Delay is announced shortly after frontrunner Joe Biden called for the convention to be rescheduled
Three ratings were changed in each case.
There are now six vacancies; Democrats control the body with 232 seats