[Mojave]

http://www.google.com/#hl=en&q=%22end+of+the+campaign
%22+theory+of+negative+political+advertising&aq=f&aqi=&aql=&

Thanks. Your link offers you no support and also brings up
http://weber.ucsd.edu/~tkousser/Wattenberg.pdf,
which demolishes your assertion. Too funny!

[LibLieSlayer]

We are arguing with a dim plant... not very good at it is he?

LLS

[earlJam]

The link has several references that negative campaigning is strategy used at the end of a campaign.

Can you read?