FOX Business Network senior correspondent Charlie Gasparino reported that Senator Chuck Grassley (R-IA), along with Senator Mark Kirk (R-IL), are launching an investigation into Treasury Secretary Timothy Geithner’s “complacency” surrounding the LIBOR scandal.

According to the report, the Senators also say that in the wake of the scandal, the creation of a new American-based interest rate index is a better alternative and they are requesting a meeting with key Treasury staff on first steps towards that goal.

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