Presidents may not be able to pardon themselves, but they ARE immune from prosecution through the regular legal system for any actions taken as part of the office as president.
The only way to go after them (given the current SCOTUS, who made the ruling above), is impeachment. And for that, the president has to do something so bad that 67 senators are willing to find the president guilty.
The only way to go after them (given the current SCOTUS, who made the ruling above), is impeachment. And for that, the president has to do something so bad that 67 senators are willing to find the president guilty.