Tiffany was lobbying the House Agriculture Committee, where Callista w as chief clerk, over mining policy. Silver mining is of major interest to the jewelry company.
"Tiffany's annual lobbying expenditures rose from about $100,000 to $360,000 between 2005 and 2009, according to records assembled by the Center for Responsive Politics, a nonpartisan government watchdog organization," Spy Talk's Jeff Stein wrote.
Read more on Newsmax.com: Tiffany Lobbied Committee Where Callista Gingrich Worked