1.   All-instrumental music is traditionally a very tough sell.

2.   Also, she agrees, French comedies are a tough sell, even in their virgin forms.

3.   An experimental AIDS vaccine may be a particularly tough sell to some of the hardest-hit populations, including young gay men and blacks.

4.   And although the premise sounds uncontroversial, Gootman faces a tough sell in the South, where corporal punishment remains popular.

5.   Analysts said that Putin, a dour and colorless figure, would be a tough sell for the Russian electorate.

6.   And executives at the South African operations knew the cars would be a tough sell.

7.   And in a culture of image and celebrity, wordy and cerebral subject matter is a tough sell.

8.   And that could be a tough sell.

9.   Anything too trendy used to be a tough sell in the Stockyards.

10.   Any ratings plan that fails to give parents detailed content information will be a tough sell, Honig said.