Helping survivors and rebuilding a crushed nation...Those were just a couple of topics discussed by leaders in Europe and North America.Fox's Rick Leventhal is in Port Au Prince with more.The U.S. Military doing some heavy lifting in Haiti....troops sliding hundred pound bags of food down the hill of what used to be a golf course...but now serves as a makeshfit tent city...it is now home to an estimated fifty-thousand homeless quake victims.Dozens of rescue teams are working to recover bodies...many volunteers, including these from Mexico, have spent days hoping to pull more people out alive.Menedez says : "we have been working here for four days. Non-stop. Non-stop."They say some people could still be alive in pockets in the rubble, but hope is fading fast.And for the first time we are getting a closer look at the crumbled presidential palace.A national symbol severely damaged by this disaster.Meanwhile.... World leaders are tackling how best to help Haiti get through this disaster.In Montreal, Canadian officials are discussing how to coordinate a strategy for short-term -- and long term aid -- in devastated the island nation.Bellerive says: "i can simply tell you that the people of haiti are in need of more, more, and more in order to complete the sole task of reconstruction."(on cam tag)Across the city, some signs of hope and determination...As Haitians who lost so much are still showing up for work..Even as 100's of thousands of homeless prepare to leave the city for tent camps in the countryside.In Port au Prince, Rick Leventhal, Fox News.