Is Abdullah backing Hamas (and if so, why)?

DEBKAfile is reporting this evening that King Abdullah of Jordan refused to meet with 'moderate' 'Palestinian President' Mahmoud Abbas Abu Mazen, because Abu Mazen showed up without 'moderate' 'Palestinian Prime Minister' Ismail Haniyeh in tow: Abbas was due to report to the king in Amman Monday, Dec. 25, on his Saturday night talks with Israeli prime minister Ehud Olmert and the steps offered