"He who does not think himself worth saving from poverty and ignorance by his own efforts, will hardly be thought worth the efforts of anybody else." -- Frederick Douglass, Self-Made Men (1872)
Have you ever read a civics textbook?
The president "picks" no one, this is not a game of pick up b-ball. According to the constitution Congress is there to "advise and consent" to nominations suggested by the president. There is no provision, as you seem to suggest, that congress is in any way obliged to do what is demanded by the president, and history shows the reverse...many nominations get turfed by congress because they didn't like the nominee.
Obama and his followers would like to think he has the powers of Stalin, but the truth is he and them only show their ignorance of the basics of governance.
"Small people talk about people, average people talk about events, great people talk about ideas" Eleanor Roosevelt
"If you can't stand the way this place is, Take yourself to higher places!"
Break, By Three days grace
Hilliary Clinton/Tim Kaine 2016