As of 1/10/11 Janet Napolitano- Secretary of Homeland Security
Clarify the presidential line of succession
Speaker of a house.
the Cabinet
Originally, congress was to decide who was next in line for office after the Vice President. The 25th Amendment changed presidential succession to what it is today.
Secretary of state
the Cabinet
presidential succession is the order in which the office of president is to be filled
He is third in line, just behind the Speaker of the House.
He/she isn’t second, but third.
Third in line, after vice-president and speaker of the house.
The senate pro tempore is third in the line of presidential succession, behind the vice-president and the Speaker of the House. ( I hope this is what you want to know.)
The Speaker would replace the President if there were no vice-president.