The effect on voter turnout of any kind of print advertising, including posters, is "hardly measurable", he says.

他还认为，其他纸质宣传，包括海报对于选民的参与都“有着无法估量”的价值。

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Of those who bothered to vote in April, 91% wanted reform, but the turnout was a shade under 50%, too low for the change to take effect.

ECONOMIST: Unchanging Italy

"It is unlikely that Congress intended the provision to have such limited effect, " Roberts said at the time, in the face of statistics showing voter turnout and registration rates reaching parity between the races in most areas of the country.

CNN: Court upholds key tool of Voting Rights Act