But since then, campaigns have pushed the negative advertising to nearly the same levels as in 2000.

The Knicks have not bought advertising space yet, but the campaign pushes on.

Obama's campaign had pushed for release of the documents, arguing that their review was necessary to make a full evaluation of Clinton's experience as first lady.

High-profile campaigns on other issues have pushed this one to the sidelines and the rush to convert has not been as dramatic as originally predicted.

But a strident public campaign pushed the idea that special prosecutors infringe on the President's constitutional power.

Mr. Giuliani's "quality of life" campaign has pushed the homeless to the margins of the city and into other boroughs.

Some celebrity activists say the e-mail and telephone campaigns push the line between merely spirited debate and harassment.

But as this slapdash campaign pushes toward the Super Tuesday contests, things rarely go this well.

All the campaigns are pushing hard to identify and mobilize supporters.

The campaign pushed the nation to the brink of starvation and made it dependent on foreign food aid.