Called the Presidential Succession Act, the law has a long history of changes ... 2005 added the secretary of Homeland Security to the list. In Trump's administration, here's the full line ...

Section 1. In case of the removal of the President from office or of his death or resignation, the Vice President shall become President. Section 2. Whenever there is a vacancy in the office of ...

The president pro tempore, third in the line of presidential succession, is typically the longest-serving senator from the ...

While lawmakers will technically be able to list their top three candidates ... had not come to a decision, under the ...

There are two potential caveats -- line of succession and future constitutional amendment. The explanation is rooted deeply in American history. "When George Washington became president ...

However, the U.S. Constitution attaches no such requirement to officeholders who are further down the list ... President or Vice President shall have qualified.” Now, the Presidential Succession ...

The other constitutional duty of the vice president (see Article I, Section 3, Clause 4), to be president of the Senate, had implications for succession ... Security Act of 1947, made the vice ...