Israel's aim is to be no1 superpower in this world. Letting USA slowly bleed certainly is a step in a right direction. Israel wants USA weak enough not to be able to pressure Israel but at the same time they don't want USA on their knees, anemic USA is what they need.
CNN Turk: Turkish planes hit PKK targets in southeastern Turkey, northern Iraq (Reuters)
from the article: Israel may ask U.S. for $20 billion more in security aid, Barak says