At a Senate Finance Committee hearing on the Obamacare exchange website, Sen. Pat Roberts (R-Kan.) again called on Health and Human Services Secretary Kathleen Sebelius to step down.

“Madame Secretary, you yourself know that this law has serious problems. You delayed over half of the mandate deadlines. You did it for employers, for unions, and for small business, but not for the exchanges, and not for Steven, nor for millions of Americans that are losing their health care, and their worry and their fear are palpable,” Roberts said.