] Vice President Dick Cheney's assertion that the nation ] was more likely to "get hit again" by terrorists if John ] Kerry was elected was one of the toughest attacks ] launched in a presidential election in 40 years. ] ] But Mr. Cheney's latest assault on Mr. Kerry, which ] startled Democrats and Republicans alike, raised a ] central question even in this notably ferocious ] presidential campaign: Is it possible for a candidate to ] go too far, and alienate the very voters he is trying to ] court? Political Memo: When an Explosive Charge Is Not Handled With Care |