"Automated callers are phoning seniors in at least a dozen Republican congressional districts across the country telling them their representative favors 'privatizing Social Security [3],'" reports the Hill. The calls are targeting "Republican members with high concentrations of senior citizens ... in potentially close districts." They warn of a two trillion dollar cost to taxpayers and decreased retiree benefits, saying Social Security "should be in a lock box, not a Wall Street slot machine." No group has claimed responsibility for the calls. The calls give a toll-free number for the U.S. Capitol switchboard used by the American Federation of Teachers, but the group denied involvement and disconnected the number.