What if US President, Vice President assassinated? Succession line, `designated survivor` rule explained

The assassination attempt of President Donald Trump and his top aides at White House Correspondents’ Dinner has once again raised the issue of growing political violence and the US succession plan.

What if US President, Vice President assassinated? Succession line, `designated survivor` rule explained
The assassination attempt of President Donald Trump and his top aides at White House Correspondents’ Dinner has once again raised the issue of growing political violence and the US succession plan.