Reuters - Millionaire socialite Paris Hilton has jumped into the U.S. election campaign, calling Republican candidate John McCain a "wrinkly white-haired guy" and offering her own energy policy.

AP - Republican candidate John McCain on Wednesday called on Congress to return from its summer recess to address immediately the U.S. energy crisis, though he missed numerous energy-related votes in the Senate last year.

AP - Minnesota Gov. Tim Pawlenty, often mentioned as a possible running mate for Republican presidential candidate John McCain, said Wednesday GOP candidates would do well to adopt a positive tone like that of McCain's Democratic rival, Barack Obama.

AP - McCain to discuss potential job losses in Ohio from corporate merger aided by campaign manager ... Minnesota GOP Gov. Pawlenty, a possible McCain running mate, praises Obama's positive message ... Hillary Rodham Clinton seeking solace at Democratic convention for her delegates

AP - Obama taunts McCain for criticizing him over tire pressure, then agreeing it's energy-saving ... In new ad, McCain questions whether 'celebrity' Barack Obama is ready to help families ... McCain, like Obama, will run TV ads during the Olympics ... Obama overexposed?

AP - Republican candidate John McCain has a new TV ad that questions whether his rival, Barack Obama, is ready to help American families.

AP - Attention, America: Paris has spoken. Paris Hilton, the blonde, doe-eyed celebrity thrust into the presidential campaign in an ad by Republican candidate John McCain, issued a tart rebuttal Tuesday, albeit in a scantily clad, tongue-in-cheek kind of way.

AP - Democrat Barack Obama on Wednesday taunted Republican presidential rival John McCain for first mocking the idea of keeping tires inflated for energy conservation and then agreeing the practice works.

AP - Minnesota Gov. Tim Pawlenty, often mentioned as a possible running mate for Republican presidential candidate John McCain, said Wednesday GOP candidates would do well to adopt a positive tone like that of McCain's Democratic rival Barack Obama.

AP - Will he or won't he? Vice President Dick Cheney is one of the nation's most prominent Republicans, but there are doubts about whether he will attend the GOP convention.

AP - Democrat Barack Obama blamed Republican energy policies for some of the nation's economic woes Tuesday as his GOP rival John McCain advocated a large expansion of nuclear power.

AP - Obama links GOP energy policy to economic downturn; McCain pushes for more nuclear power ... Paris Hilton spoofs McCain ad and proposes a solution to nation's energy crisis ... Lehrer, Ifill, Brokaw and Schieffer named moderators for presidential campaign debates

AP - Attention, America: Paris has spoken. Paris Hilton, the blonde, doe-eyed celebrity thrust into the presidential campaign in an ad by Republican candidate John McCain, issued a tart rebuttal Tuesday, albeit in a scantily clad, tongue-in-cheek kind of way.