Yes, we need euthanasia, for certain cases where people are in comas or too immobile to even press a button.
Jack Kevorkian[Persons] who are recognized as citizens in any one state of the Union [have] the right to enter every other state, whenever they pleased... full liberty of speech in public and in private upon all subjects upon which its own citizens might meet; to hold public meetings upon political affairs, and to keep and carry arms wherever they went.
Jack Kevorkian