correction:
They would NOT have to take out many schools...
Found the article:
Election warning causes anxiety
http://www.usatoday.com/news/politicselections/nation/president/2004-10-06-election-warning_x.htm
(snip)• In Tippecanoe County, Ind., chief election official Linda Phillips says she will move an undisclosed number of the county's 81 polling places out of elementary schools to "less vulnerable" sites. She acknowledges that Lafayette, Ind., "may not appear on any terrorist's road map," but she says that "it occurred to me that terrorists could get a double hit if they wanted to strike the election by taking out a school." (snip)