File- This June 11, 2009 file photo shows Aetna Chief Executive Officer Ron Williams, left, Randel Johnson, vice president for Labor, Immigration and Employee benefits, U.S. Chamber of Commerce, second from right, and William Dennis, Senior Research Fellow at the National Federation of Independent Business talk on Capitol Hill in Washington. (AP Photo/Harry Hamburg, File)

Associated Press
File- This June 11, 2009 file photo shows Aetna Chief Executive Officer Ron Williams, left, Randel Johnson, vice president for Labor, Immigration and Employee benefits, U.S. Chamber of Commerce, second from right, and William Dennis, Senior Research Fellow at the National Federation of Independent Business talk on Capitol Hill in Washington.   (AP Photo/Harry Hamburg, File)
File- This June 11, 2009 file photo shows Aetna Chief Executive Officer Ron Williams, left, Randel Johnson, vice president for Labor, Immigration and Employee benefits, U.S. Chamber of Commerce, second from right, and William Dennis, Senior Research Fellow at the National Federation of Independent Business talk on Capitol Hill in Washington. (AP Photo/Harry Hamburg, File)
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