`` I 'm not going to buy a pig in a poke , '' Sen. Chuck Grassley of Iowa says . Rep. Issa expresses disappointment over the continuing standoff . The House is expected to vote on its version of the bill later this week and send it back for final approval by the Senate. House Oversight Committee could act Wednesday on contempt vote against Holder .
`` I 'm not going to buy a pig in a poke , '' Sen. Chuck Grassley of Iowa says . Rep. Issa expresses disappointment over the continuing standoff . Attorney Gen. Holder says Issa is playing political games . House Oversight Committee could act Wednesday on contempt vote against Holder .