DETROIT, Nov. 9 (UPI) -- Vice President Joe Biden visited Detroit Tuesday to raise funds for two Michigan Democrats in Congress and give a progress report on the nation's economy.

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TEHRAN, Nov. 9 (UPI) -- U.S. State Department and White House spokesmen said they haven't received official confirmation that Iranian officials charged three U.S. hikers with spying.

SAN ANTONIO, Nov. 9 (UPI) -- The memorial service for the 13 people who died in the Fort Hood, Texas, massacre is part of the grieving and healing phase, the fort's commander said Monday.

COP SULLIVAN, Afghanistan, Nov. 9 (UPI) -- The dominant feature of the counterinsurgency war in Afghanistan's southern Helmand province is the improvised explosive device, the bombs planted not only to cause casualties but also to erode troop morale and cow the local population.

BERLIN, Nov. 9 (UPI) -- World leaders gathered in Berlin Monday for an emotional celebration of the 20th anniversary of the fall of the Berlin Wall, an event that heralded the end of the Cold War and culminated in Germany's reunification.

BEIRUT, Lebanon, Nov. 9 (UPI) -- Lebanese Prime Minister Saad Hariri formed a unity government Monday, delivering his list of Cabinet minister to the president after months of wrangling.

NEW YORK, Nov. 9 (UPI) -- Two distant white relatives of U.S. first lady Michelle Obama say they are proud to be a part of her heritage and hope someday to meet her.

TEHRAN, Nov. 9 (UPI) -- The relationship between Moscow and Tehran could be damaged if the Kremlin does not move on deliveries of the S-300 missile defense system, lawmakers said.

WASHINGTON, Nov. 9 (UPI) -- The U.S. Supreme Court may be ready to rule that sentencing someone to life for non-lethal crimes committed as a juvenile is unconstitutional, an analysis says.

URUMQI, China, Nov. 9 (UPI) -- China has executed nine people convicted of fueling ethnic riots in the predominantly Muslim city of Urumqi, Xinjiang province, authorities said.

WASHINGTON, Nov. 9 (UPI) -- The U.S. Supreme Court heard argument Monday in a case that might produce a modern definition of patent eligibility, with a significant effect on software.

ISTANBUL, Turkey, Nov. 9 (UPI) -- The prime ministers of Jordan and Turkey agreed to remove obstacles to a free-trade agreement, putting the measure on track for approval by the end of the year.

NEW YORK, Nov. 9 (UPI) -- Students at a New York high school are protesting the suspension of a beloved teacher who let them read a ribald tale in class, officials said.

WASHINGTON, Nov. 9 (UPI) -- The U.S. Supreme Court Monday refused to delay the execution of "D.C. Sniper" John Allen Muhammad, who went on a shooting spree seven years ago.