From CNN 4 days ago:
Both the length of time it took for McGuire to die and his gasping are not typical for an execution, said Howard Nearman, an anesthesiologist at University Hospitals Case Medical Center in Cleveland.
...Speaking on behalf of McGuire's legal team, attorney Allen Bohnert called on the governor to impose a moratorium on future executions because of what took place Thursday.
"At this point, it is entirely premature to consider this execution protocol to be anything other than a failed, agonizing experiment," he said in a statement.
"The people of the State of Ohio should be appalled at what was done here today in all of our names. Ohio, like its citizens, must follow the law. The state has failed." Controversial execution in Ohio uses new drug combination - CNN.com
There is going to continue to be debate over what constitutes "cruel and unusual punishment" until a satisfactory new drug combo is figured out.