His words and actions seem to be completely uncalculated and based only on his own ego and hubris. What possible purpose could it serve to threaten and humilate foreign leaders in such a way? If he is convicted of corruption, former UN delegate from the the Bush administration John Bolton might take the job. He could be a much more conciliatory figure.
Greek PM says may have to call early election (Reuters)
from the article: Syria: We're ready for peace, but also for war