Kept at bay for months in the US Senate race by a pact curbing outside advertising, Karl Rove’s political group, Crossroads GPS, has begun blasting voters with “robocalls” targeting Elizabeth Warren. One call criticizes Warren’s work leading a panel that monitored the federal bank bailout, erroneously suggesting she ran the bailout, and another claims that her support for President Obama’s health law could limit Medicare availability, even though the law does not propose doing so.
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