darrell isa of the reform committee says he may issue subpoenas to the health and human services department. >> so that we can, on half of the american people straighten out as much as can be straightened out, which is above the water, the 90% below the water like an iceberg, the other problems in obama care. >> reporter: contractors pointed to last-minute design changes for the glitches. on wednesday, hhs secretary kathleen is a deal use is scheduled to testify before lawmakers about the problems and when she knew about them. co. many for cbs news. >>> so far the obama administration has not revealed how many people have signed up for insurance under that new law. >>> 4:44 right now. another check on weather. it was windy. you showed us that amazing video of what the winds did. the winds are starting to calm down. . freezing along the coast. half-moon bay. winds anywhere from 15 to 20 miles per hour. take a check of the north bay, winds calmer out there in some spots, under 10 miles per hour right now. closer to sunrise, the winds will start to die down. what is causing all these winds, a