Is there a point on the scale of protest and violence that the president of the USA would step down from his position? Would he gather his family and flee the nation? No. There is no point on the scale of protest and violence that this would ever happen. The army would be set upon the protesters and do whatever it takes to restore order. The same is true of Israel and most other western nations.
Japan arrests U.S. activist featured in award-winning documentary 'The Cove' (DPA)
from the article: White House: Syria would be a better place without Assad