Presidential nominations of Supreme Court Justices can lead to controversy because

Responses

Congress claims that it has the sole right to nominate Justices
Congress claims that it has the sole right to nominate Justices

Presidents must often nominate their friends rather than persons with judicial experience
Presidents must often nominate their friends rather than persons with judicial experience

Congress consistently refuses to approve candidates who are not members of the majority party
Congress consistently refuses to approve candidates who are not members of the majority party

the President and Congress sometimes have different views on the judicial philosophy that proposed Justice should hold
the President and Congress sometimes have different views on the judicial philosophy that proposed Justice should hold

There are often ideological and political differences between the President and Congress over Supreme Court nominees, leading to intense debates and confirmation battles. Additionally, the lifetime appointment of Justices means that their decisions can affect the country for decades, adding to the controversy and scrutiny of the nomination process.