In the last week of February, Clinton's campaign seemed to be back on its feet. A Saturday Night Live sketch mocked the media for its supposedly biased coverage in favor of Obama, and Clinton used the sketch to argue that Obama had not received proper scrutiny. The media responded by taking a more critical look at Obama's campaign. Meanwhile, Obama supporter and former fundraiser Tony Rezko went on trial in a political corruption case in Chicago. While Obama was not implicated, questions remained about how forthcoming he had been about his relationship with Rezko. Controversy also erupted when it was reported in the Canadian press that Obama economic advisor Austan Goolsbee had privately offered assurances that Obama's anti-North American Free Trade Agreement rhetoric on the campaign trail was exaggerated. Obama's campaign denied the substance of the report, but their response was muddled by a series of missteps and may have hurt the candidate's standing with Ohio voters. Clinton launched a five-point attack on Obama's qualifications, "unleashing what one Clinton aide called a 'kitchen sink' fusillade," according to "The New York Times". Perhaps the most damaging component was a campaign ad that aired in Texas, using the imagery of the White House "red phone" to suggest that Obama would not be prepared to handle a crisis as commander-in-chief when a phone call comes into the White House at 3 a.m. The ad drew significant media attention in the four days before the election. In the general-election campaign, McCain used parts of the ad against Obama.