SAN FRANCISCO, March 12 (UPI) -- Bill Ayers, who helped found the Weather Underground anti-war group, was involved in a deadly 1970 bombing in San Francisco, police union officials allege.

WASHINGTON, Oct. 20 (UPI) -- Sen. Barack Obama, D-Ill., denounced the so-called robocalls made by his Republican rival, noting even his running mate is decrying them.

ST. LOUIS, Oct. 14 (UPI) -- Republican John McCain says he'll likely bring up Democrat Barack Obama's relationship with a former radical during Wednesday's debate in New York.

ENGLEWOOD, Colo., Oct. 4 (UPI) -- Republican vice presidential nominee Sarah Palin, speaking at a fundraiser in Colorado, accused Barack Obama of "palling around with terrorists."

STERLING HEIGHTS, Mich., Sept. 24 (UPI) -- A political action committee has targeted a county in the battleground state of Michigan for attack ads against Democratic presidential nominee Barack Obama.

SEATTLE, Sept. 12 (UPI) -- Alaska Airlines, based in Seattle, said Friday it plans to shed between 850 and 1,000 jobs starting in November.

CHICAGO, Aug. 23 (UPI) -- Documents in a library at the University of Illinois may shed light on Barack Obama's ties to an education project founded by former Weatherman Bill Ayers.

WASHINGTON, Aug. 22 (UPI) -- A conservative political group planning a general election ad buy attacking Sen. Barack Obama is linked to Republican John McCain, Obama's campaign says.

SEATTLE, July 24 (UPI) -- Alaska Airlines said it lost it $14.1 million in the second quarter of 2008 and would reduce staff by 5 percent and passenger capacity by as much as 10 percent.