The principal activists in Congress are Senator William Proxmire (D-Wis.), Senator Lee Metcalf (D-Mont.) and Representative John Moss (D-Cal.).

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That senior Democrat was then-House Armed Services Committee Chairman Les Aspin (D-Wis.), who became Defense Secretary for President Clinton.

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Russ Feingold (D-Wis.) and John McCain (R-Ariz.) have dropped a contentious proposal to ban contributions from political action committees.

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