Presidents have the right to nominate their own cabinet secretaries. But their nominees don't have a right to confirmation. Senators have a constitutional duty to advise and consent to the appointment of all Cabinet officials. They should take that duty seriously.
The eye is continually influenced by what it cannot detect; nay, it is not going too far, to say that it is most influenced by what it detects least. Let the painter define, if he can, the variations of lines on which depend the change of expression in the human countenance.