John McCain suggested Sunday that Barack Obama’s record-breaking fund raising was a gateway to corruption. During an appearance on “Fox News Sunday,” the Republican nominee expressed concern over the amount of money his Democratic opponent was raising — and spending. Obama brought in a jaw-dropping $150 million in September, eclipsing his past record of $66 million. In talking about the news, McCain repeatedly referred to the Watergate scandal that resulted in the impeachment of former President Richard Nixon. McCain pointed to that incident, which included Republicans breaking into the Democratic National Committee offices, as an example of the kind of...