"The review process also identifies technical and management challenges, and addresses ways to reduce potential risks as the project goes forward."
Orion On Track But Overweight; Funding Crunch Could Hit In '07, Aerospace Daily
"NASA's Orion crew exploration vehicle remains on schedule to carry humans to the International Space Station no later than 2014, and possibly earlier, but it will need to go on a New Year's diet to lose about 3,000 pounds of excess weight."
Big Problems With the Stick, NASA Watch
"Sources inside the development of the Ares 1 launch vehicle (aka Crew Launch Vehicle or "The Stick") have reported that the current design is underpowered to the tune of a metric ton or more. As currently designed, Ares 1 would not be able to put the present Orion spacecraft design (Crew Exploration Vehicle) into the orbit NASA desires for missions to the ISS."