The National Republican Senatorial Committee launched its first TV ads of the 2010 midterms this month when it went on the air in Kentucky attacking Democratic Attorney General Jack Conway. Now, Hotline OnCall's Jeremy Jacobs reports, they're pulling the ads down:

Democrats say it's a sign that Republicans are increasingly nervous about ophthalmologist Rand Paul's (R) chances against Conway. They point to recent polling that shows Conway closing on Paul's once very sizable lead and note that Paul was not the NRSC's preferred candidate in the race.

Republicans push back on those suggestions. They question recent polling and insist that the cancellation occurred because they are that confident in Paul's position. They also predict that they will go back on the air in Kentucky before Election Day.

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