Palestinian president Mahmud Abbas has said that he will ask US President Barack Obama to take bold decisions on Middle East peace during an upcoming visit.Speaking at the opening of a Palestinian investment conference in the West Bank today Abbas said, his message to Obama during the meeting in Washington next week will be that bold decisions are needed to change the face of the region.Abbas is also meeting with US envoy George Mitchell for the latest round of indirect proximity talks with Israel launched on 9th May.