When House Republicans announced their new line-up of committee chairs for the 113th Congress last week, the Washington buzz was that all were white men. Not a single lady was given charge of a committee. While we can’t rule out sexism, there’s another explanation that might be even simpler: money. In particular, money that House Republicans raised for their leadership PACs, organizations separate from their own campaigns that are used to help fellow candidates and generally demonstrate members’ fundraising prowess.