Under the preferred position doctrine, any speech or writing is presumed constitutional unless the government can prove that it presents what?

In 1992, how many electoral votes did third-party candidate Ross Perot win?

a. zero b. nine c. nineteen d. thirty

What affects the margin of error in a poll?

a. the size of the sample b. the size of the population c. the length of the survey d. the representativeness of the sample