Fannie Mae and Freddie Mac will have to divulge more information about their activities in the subprime market, if a House bill designed to tighten the regulatory regime of the government-sponsored enterprises is eventually adopted. The legislative effort to rein in Fannie, Freddie, and the Federal Home Loan Banks shifted into a higher gear last week, when the House Financial Services Committee approved, by a 65-5 margin, H.R. 1461, the “Federal Housing Finance Reform