Countries across the Persian Gulf wonder what they should take away from US President Donald Trump's withdrawal of American forces from Syria after apparently acquiescing to Turkey's invasion of Kurdish territory.

Democratic presidential candidate Elizabeth Warren "believes we need to end the endless wars. That means working to responsibly remove US troops from combat in the Middle East, and using diplomacy to work with allies and partners to end conflicts and suffering in the region," campaign spokesman says.

Leaders of most of the right-wing parties sign pledge not to join any minority government that is established with support from the Arab parties.

The 45th president is the only White House occupant in the last four decades who has not started a war. If he chooses to stay in Syria, voters will forgive him.

Media commentators seem to ignore the fact that back in the 2000s, when Erdogan led his AKP party to victory in the general election and formed his first government, an accommodation was actually reached with the PKK.