AP - Barack Obama may be the fresh face in this year's presidential election, but nearly half say they're already tired of hearing about him, a poll says.

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

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.

AFP - Texas has put to death a Mexican convicted murderer, defying a ruling from the International Court of Justice and ignoring a last-minute appeal from UN Secretary General Ban Ki-Moon.

AP - Before killing himself last week, Army scientist Bruce Ivins told friends that government agents had stalked him and his family for months, offered his son $2.5 million to rat him out and tried to turn his hospitalized daughter against him with photographs of dead anthrax victims.

AP - Sen. Hillary Rodham Clinton plans to campaign for Barack Obama in Nevada and Florida this month, events expected to be her first solo campaign appearances for Obama since she lost the Democratic nomination contest.

AP - The mother of Detroit's mayor overcame a headline-grabbing sex scandal involving her son and a former top aide to narrowly beat back two challengers in a congressional primary election.

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 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 - Solid margins among women, minorities and young voters have powered Barack Obama to a 6 percentage point lead over John McCain in the presidential race, according to a poll released Tuesday.

AP - Republican presidential candidate John McCain opposes the $300 billion farm bill and subsidies for ethanol, positions that both supporters and opponents say might cost him votes he needs in the upper Midwest this November.