In an op-ed published by CNN, the longtime Texas congressman said the Republican Party has stopped being the party of limited government and it's time for the party to return to its traditional values.
"In the rise and fall of the recent Republican reign of power these past decades, the goal of the party had grown to be only that of gaining and maintaining power -- with total sacrifice of the original Republican belief in shrinking the size of government," Paul said.
He also criticized the Republican-led Congress for not challenging the Bush administration on the war on terror.
"The Republican Congress never once stood up against the Bush/Rove machine that demanded support for unconstitutional wars, attacks on civil liberties here at home, and an economic policy based on more spending, more debt, and more inflation -- while constantly preaching the flawed doctrine that deficits don't matter as long as taxes aren't raised," he said.
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