Professor Anderson said several recent studies have disproved the criticisms.

"In terms of getting something for your buck, this is very inexpensive," Professor Anderson said.

Professor Anderson found that only 34 percent of her subjects washed their hands before cooking, and most failed to use soap.

Professor Anderson will be here in a minute.

But Professor Anderson thinks you're not quite ready yet.

"It could become a main rupture in the system," Professor Anderson said.

That's one of the reasons Professor Anderson asked her to accompany him.

He wondered if his father or Professor Anderson were in one of them.

I never would've dreamed you kids would come up here looking for me and Professor Anderson.

"It doesn't bode well for democratic practice in this country," Professor Anderson said.