Whether to retry an ageing and celebrated prisoner may seem a tough decision.

ECONOMIST: Louisiana faces up to the old question

But although the hung jury lets Merck off the hook for now, it falls short of a clear win and could allow plaintiffs to retry the case.

FORBES: Hung Jury Leaves Merck Up In The Air

Starr decided not to retry either woman, and said Wednesday that those setbacks contributed to this decision to settle the Hubbell matter.

CNN: Hubbell pleads guilty as part of deal with Starr

Lawyers for an SAS sniper are to challenge whether it is in the public interest to retry him for illegally possessing a pistol and ammunition.

BBC: Sgt Danny Nightingale

It was only last week that the Justice Department announced it would not retry John Edwards, the former Democratic presidential candidate and vice-presidential nominee.

FORBES: The Clemens Verdict: Another Wild Pitch By The Department Of Justice

The legal maneuvering that allowed Echols, Misskelley and Baldwin to maintain their innocence while acknowledging that prosecutors had enough evidence to retry them is not perfect.

FORBES: Legal Maneuvering

Their software and hardware architecture may take advantage of patterns like redundant services, failover services, or retry attempts after failures.

FORBES: Website Failures Are Inevitable, But They Need Not Be Ugly