In Re McAllen Medical Center, Inc.

in which Justice HECHT, Justice MEDINA, Justice GREEN, Justice JOHNSON and Justice WILLETT joined.

Appellate courts cannot afford to grant interlocutory review of every claim that a trial court has made a pre-trial mistake. But we cannot afford to ignore them all either. Like “instant replay” review now so common in major sports, some calls are so important — and so likely to change a contest’s outcome — that the inevitable delay of interim review is nevertheless worth the wait.

Although mandamus review is generally a matter within our discretion, our place in a government of separated powers…