Tennessee was warned Christa Pike's execution could fail. It went ahead anyway.

The road to Christa Pike’s botched execution was paved with determination.
Dating back more than 20 years, government officials in Tennessee have been dogged in their efforts to carry out lethal injections despite serious concerns about their ability to do so and waning public support. Those concerns turned into red flags in the months leading up to Pike’s execution date, death penalty observers say.
Most notably: The state botched another execution in May, and Pike's attorneys repea