Scheduling rules have been adjusted and staffing beefed up to mitigate fatigue among controllers, but in the Ohio incident, fatigue does not appear to have been the issue.

CNN: STORY HIGHLIGHTS

Also, she manages officiating, scheduling, rules and competition, and discipline.

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Florida and Michigan were stripped of their delegates for scheduling their primaries too early, in violation of Democratic Party rules.

CNN: Obama takes Oregon; Clinton wins Kentucky

On Sunday, rules imposed by the Democratic National Committee kicked in, penalizing Florida for scheduling its presidential primary on January 29th.

NPR: Florida Democrats Penalized for Early Primary