The President can be impeached. After Abraham Lincoln was assassinated his vice President (Andrew Johnson) was impeached. Also Nixon was impeached
Archibald Cox
The president is fired
The special prosecutor during the Watergate trial asked President Nixon to release secret audiotapes. Shortly thereafter, the president had the prosecutor fired.
President Truman fired General Douglas Macarthur.
kennedy
no
No, He's the owner,President and GM.
fired all federal tax collectors
Patton
He was fired by Then President Truman for disobedience to orders
John Wilkes Booth
Yes, he was fired July 2, 2010. So expect good things to happen. I think the new president is Shawn Grove, who was president from launch in 1992 until 2004.