A Senate panel is gearing up to hold a general oversight hearing on the Federal Home Loan Banks and their regulation by the Federal Housing Finance Board. And some fingers are pointing at Fannie Mae as the instigator behind the congressional move to examine the FHLBanks. A staffer for Sen. Robert Bennett, R- UT, confirmed that a forum has been tentatively scheduled for Sep. 9 before the Senate Banking, Housing and Urban Affairs’ Subcommittee