1. Should a judge's order declining to recuse be reviewed de novo or for abuse of discretion?

2. When a litigant seeks review of a decision not to recuse through mandamus, should appellate courts require him to apply two layers of deference to that decision and show that it was both an abuse of discretion and that the abuse was "clear and indisputable?"

Whether appellate courts should review a judge's order declining to recuse de novo or for abuse of discretion and whether mandamus review requires two layers of deference