keywords: kerry democrat bush republican voters
text: Poll: Kerry Lags Bush on National Security WASHINGTON - President Bush has a slight lead over Democrat John Kerry in an Associated Press poll, but the president has a big advantage on protecting the country - the issue voters say they care about most.   "If we don't take care of the terrorists, we certainly won't have to worry about the economy," said Janet Cross, 57, of Portsmouth, Ohio, who switched from Democrat to Republican for the last election...