Whether an arbitration agreement that makes no mention of delegation "clearly and unmistakably" delegates arbitrability with respect to actions that the agreement expressly carves out from both arbitration and any arguable delegation.

1. Whether an arbitration agreement that identifies a set of arbitration rules to apply if there is arbitration clearly and unmistakably delegates to the arbitrator disputes about whether the parties agreed to arbitrate in the first place.

2. Whether an arbitrator or a court decides whether a nonsignatory to an arbitration agreement can enforce the arbitration agreement through equitable estoppel.

Whether an arbitration agreement that makes no mention of delegation 'clearly and unmistakably' delegates arbitrability with respect to actions that the agreement expressly carves out from both arbitration and any arguable delegation