General John Allen

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  Fight against Islamic State Could Take 'Generation or More': US Envoy

  The Islamic State group is a "global threat" that will take a generation or more to defeat, Washington's envoy for the US-led coalition fighting the jihadists said Wednesday.

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  Former US Afghanistan Commander to Lead Effort Against Islamic State

  President Barack Obama has chosen retired Marine Corps General John Allen, who served as the top U.S. commander in Afghanistan, to coordinate international efforts to fight Islamic State militants in Iraq and Syria, a U.S. official said on Friday.

• General John Allen resumes command duty in Afghanistan

  General John Allen has returned to Kabul to resume his duties as the top U.S. and NATO commander of the war in Afghanistan, more than a week after the Pentagon announced it is investigating potentially "inappropriate" correspondence between the four-star general and a woman linked to the former CIA chief David Petraeus' sex scandal.

• David Petraeus mistress had 'substantial' classified data on computer: Sources

  A computer used by Paula Broadwell, the woman whose affair with CIA director General David Petraeus led to his resignation, contained substantial classified information that should have been stored under more secure conditions, law enforcement and national security officials said on Wednesday.

• Obama to address Petraeus sex scandal in first press conference after re-election

  President Barack Obama is set to address the sex scandal that brought down CIA chief David Petraeus and snared a top US general when he gives his first post-election press conference on Wednesday.

• Barack Obama backs John Allen over David Petraeus sex scandal

  President Barack Obama backed the top US commander in Afghanistan on Tuesday after the four-star general was dragged into the sex scandal that brought down CIA director David Petraeus.

• US Senator: 'Astounding' number of emails in Allen probe

  The volume of emails uncovered between a top US general and the woman who triggered a probe that ended the career of CIA director David Petraeus is "astounding," a top senator said on Tuesday.

• David Petraeus, John Allen supported Florida woman's sister in child custody spat

  Former CIA Director David Petraeus and the top US commander in Afghanistan, General John Allen, both recently intervened in a child custody battle on behalf of the twin sister of the Florida woman at the center of a scandal that has engulfed both men, court documents show.

• General investigated for emails to Petraeus friend

  The Pentagon says the top American commander in Afghanistan, General John Allen, is under investigation for alleged "inappropriate communications" with Jill Kelley, the woman who is said to have received threatening emails from Paula Broadwell, the woman with whom former CIA Director David Petraeus had an extramarital affair.

• Barack Obama names US General in Afghanistan to lead NATO

  President Barack Obama has nominated Marine Gen. John Allen, the top U.S. commander in Afghanistan, to be the next NATO supreme allied commander. Mr Allen is slated to replace Admiral Jim Stavridis in the spring, and Marine Gen. Joseph Dunford, the assistant Marine commandant, would take the top Afghanistan job. The changes must be confirmed by the...