Democrats unveil bill that protects against voter "caging"

A brand new Senate bill would fight a certain voter suppression tactic:

A new bill introduced by Democrats in the Senate today would makeRepublican attempts to challenge voters' eligibility based on thetime-tested technique of using returned mail illegal.

The voter suppression technique, which has come to be known as "caging," has been practiced by Republicans for decades,but received additional attention for its role in the U.S. attorneyfirings scandal. Timothy Griffin, the former aide to Karl Rove whoreplaced one of the fired prosecutors in Arkansas, was forced to defendhis role in an alleged 2004 caging scheme when he worked for theRepublican National Committee. (We ran down the evidence that Griffinwas involved in a 2004 scheme to block African-Americans in Floridafrom voting in a story this June.) Those questions, along with the circumstances of Griffin's appointment, eventually led to his resignation.

Still trying to get a grasp on what caging means?  Here is a better explanation:

Vote caging is an illegal tactic to suppress minorities from voting by having   their names purged from voter rolls when they fail to respond to registered   mail sent to their homes. The Republican National Committee signed a consent   decree in 1986 stating they would not engage in the practice after they were   caught suppressing votes in 1981 and 1986.