The advertising deal between Google and Yahoo is the subject of an antitrust probe, according to the front page of the Post. A fundraiser for John McCainJohn Sidney McCainThe Hill's 12:30 Report: Trump steps up attacks on McCain Trump: 'I was never a fan of John McCain and I never will be' Santorum: Trump should 'send emails to a therapist' instead of tweeting MORE oversaw the payment of $1.7 million payments to a Colombian paramilitary group that has been designated a terrorist group by the United States, Nico Pitney writes. McCain shows that he doesn't understand that the increasing skepticism over free trade among many Americans and those in the corporate world by pledging allegiance to the North American Free Trade Agreement, Robert L. Borosage writes.