Some pundits also wondered whether Kerry had left his counter-attack too late.
"We're at the point now where all's fair in love and war, and politics is war," said Larry Sabato, a political science professor at the University of Virginia. "The problem is Kerry is out of synch.
"The time for this was a month ago, but it came on a night when all the coverage went to Bush's speech. I find it incredibly odd."
Both sides argued over the significance of new employment figures published yesterday showing a net creation of 144,000 jobs in August.
The total was a little below most projections but still up from July. Speaking at a rally in Pennsylvania, Bush said the figures showed that the economy was growing, and he added the catchphrase he used when accepting the Republican presidential nomination on Thursday: "Nothing will hold us back."



