"I can wage a better war on terror than George Bush has." So speaks Senator Kerry in the U.S. presidential campaign's final days, again reminding voters that the key issue in this race remains as it was a year earlier - deciding which candidate will better protect Americans from terrorism.As with so many topics, the basic difference between Kerry and President Bush is one of character, with the challenger repeatedly changing his mind and the president sticking with one position.On occasion, Mr. Kerry adopts Bush-like terminology. For example, in September 2004 he talked about the war on terror being "as...