The Democratic Party
President Truman
Elena Kagen is part of the Democrat Party.
No, they have to be of the same political party.
Pierce was drafted by his party to run after they could not agree on any of the four front-runners for the nomination. He was a loyal party man and felt it was his duty to serve, but probably did not dream that he would be nominated when he allowed his name to be put into for consideration.
He never was. When the idea was suggested, he declared "If nominated, I will not run. If elected, I will not serve."
US Supreme Court justices are nominated by the President of the United States. Justices who are confirmed by the Senate serve for life, unless impeached.
The president-elect is the candidate who has won the presidential election in November, but cannot serve as President until Inauguration Day on January 20th of the following year.
Theodore Roosevelt served as a member of the Republican Party during his presidency from 1901 to 1909. He initially gained fame as a progressive reformer within the party. Later, after leaving office, he ran for president again in 1912 as the candidate for the Progressive Party, also known as the "Bull Moose Party," which he founded to promote progressive ideals.
The Vice President could become Acting President in the event of Presidential disability, and there is no codified term. A new Vice President would not be nominated. Should the Vice President succeed to the Presidency, then he would serve out the remainder of that President's term, and a new Vice President would ordinarily be nominated to fill the Vice President's unexpired term.
They are not "hired". They are nominated by the president, and approved - or not approved - by Congress. They serve for life, or until they elect to retire.
There was no limit on the times a candidate could run for presidency.
George Washington was elected as president of the constitution convention.He was nominated for the position by Robert Morris of Pennsylvania.George Washington was elected President of the Constitutional Convention. He would go on to serve as the country's 1st President.