New push to flip senators on gun bill

Washington (CNN) -- Behind-the-scenes dealing over reviving stalled gun control legislation will get a push next week when Sen. Joe Manchin, a strong proponent of expanding background checks, plans to meet individually with lawmakers, a Senate source tells CNN.

The key question the conservative West Virginia Democrat wants answered is whether a "minimal change" to a compromise background check proposal that he co-authored but which failed to gain enough support in a vote last month would entice more senators to support it, the source said.

Since the proposal he negotiated with Republican Sen. Pat Toomey of Pennsylvania faltered, senators who voted against it have been hounded in their states during the current recess by outside proponents of expanding background checks.

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