U.S. Rep. Dan Boren said Congress should use the power of the purse to push the Obama administration to remove so-called czars that do not go through a confirmation process. Boren joined others in criticizing the growing trend to name czars to lead efforts in specific areas. Such officials do not go through oversight hearings or a confirmation vote in the Senate. Boren referred to them as unelected bureaucrats who do not answer to lawmakers. Even though such czars do not go through a confirmation process, Boren cited the “authority’’ that came along with the congressional control over the power...