A new president in the making is known as

In the United States, a new president in the making is often referred to as a:

1. Presidential Candidate: This is the most common term used to describe someone who is running for the office of President.
2. Aspirant: This term is often used to describe someone who is considering running for the presidency or has announced their intention to do so.
3. Front-runner: This term is used to describe a candidate who is leading in the polls or has a strong chance of winning the nomination.
4. Dark Horse: This term is used to describe a candidate who is not well-known but has a good chance of winning the nomination or election.
5. Presidential Hopeful: This term is used to describe someone who is considering running for the presidency or has announced their intention to do so, but has not yet secured the nomination.

These terms are often used interchangeably, but they can have slightly different connotations.