1. When a jury foreman in a capital murder trial brings a religious text to the jury room during punishment phase deliberations and reads passages concerning imposition of the death penalty to his fellow jurors, could reasonable jurists debate whether the jury has been exposed to an external influence under clearly established federal law?

2. When deciding whether to grant a certificate of appealability, should a circuit court look to whether the district court's resolution of the claim at issue is reasonably debatable in light of then-existing circuit precedent?

Whether a jury foreman's introduction of a religious text during capital murder trial deliberations constitutes an improper external influence warranting habeas relief