Kent Redfield, an expert on Illinois politics, said the only explanations for Costello's threat to vote no on the bill are either he is bargaining for something or he wants to be shown some respect.
"If people feel they are being ignored and taken for granted, then they like to be asked," said Redfield, a political science professor at the University of Illinois at Springfield.
Redfield's comments were featured in a March 18, 2010, Belleville News-Democrat Article.
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20100318-BND-Costello-still-opposes.pdf