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.

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 - New McCain ad emphasizes independent streak to counter Obama charge he's same as Bush ... Obama says economy is in turmoil, sets goal of ending American dependence on overseas oil ... No plans yet for Vice President Dick Cheney to appear at Republican National Convention ... Obama, McCain campaigns engage in hard-hitting politics, but show differences in style, tone