There is nothing in the Constitution or Federal statutes that limits a President's ability to nominate someone as a federal judge. The Senate may prevent the nominee's appointment in several ways, most notably by rejecting the candidate during the floor vote.
Presidents often choose federal judges from their own political party.
their own political party
The president's power to nominate federal judges is a check on the judicial branch by the executive branch.
To do so would violate Constitutional Law. Federal judges are appointed for life unless they are impeached for criminal actions.
In the U.S., it varies by state. Federal judges are not elected; they are appointed.
Federal judges are appointed to the bench by U.S. Presidents. The term would be until retirement or death.
The president has the power to nominate or appoint judges, ambassadors, cabinet members and other high ranking officials., subject to approval or confirmation by the US Senate.
People.
Because the judges and justices are supposed to be impartial, so judges and justices who make their slant clear tend to cause of lot of controversy.
The President of the United States.
This question is rather self-explanatory. A person has certain views that they think are right, so the right decision for them is to support people who share similar views.
Yes, presidents have nominated Supreme Court justices who were not judges many times. The Constitution gives no qualifications for Supreme Court judges, so the President can nominate anyone he wants. Today, nominating judges is the norm, but that was not so in the past.