Without a self-directed advance medical plan for a patient, relatives are often asked to step in and act on a loved one's behalf.

CNN: The computer that decides if we live or die

In "Stalin's General, " Geoffrey Roberts joins the fight on Zhukov's behalf, although one feels that the war has already been won.

WSJ: Book Review: Stalin's General

When businesses misbehave competitors react rapidly, taking advantage of one another's errors and hubris and stepping in on behalf of consumer welfare.

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In exchange, Stevens "could and did use his official position and his office on behalf of Veco, " one of the state's largest employers, the indictment charges.

CNN: Alaska senator on charges: 'I am innocent'

Quanta, along with Hon Hai Precision Industry, is one of two contract manufacturers believed to be stamping out iPhones on Apple's behalf.

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"Today's guilty plea and sentencing represent a significant step forward in the Justice Department's ongoing efforts to seek justice on behalf of those affected by one of the worst environmental disasters in American history, " said US Attorney General Eric Holder.

BBC: BP's record $4bn Deepwater criminal penalties approved

But Chris Blackwell, one of Marley's producers and the founder of Island Records, interceded on my behalf, and Mother Booker agreed to grant me an audience.

NPR: Bob Marley's Music and Magic Endure

Starwood had one plane, a Hawker 700, confiscated by U.S. marshals acting on behalf of the DEA in September once it landed in McAllen, Texas, after arriving from Mexico, according to one of the insurance company lawsuits.

CNN: STORY HIGHLIGHTS