Whether a petitioner can use Rule 60(b) to gain Relief of Judgment from a legal error that precluded merits review when habeas relief was denied on flawed procedural grounds, despite exhausting all available appellate remedies

1. Can a petitioner use the 60(b) Rule to gain Relief of Judgment from a legal error that precluded a merits review, when habeas relief was denied by the district court on flawed procedural grounds, after he properly exhausted all available appellate remedies pursuant to 2254 or does the prior COA determination creates a binding legal decision, thus thwarting 60(b) in the interest of finality? n