As the world's attention again turns to whether the U.S. and Russia can cooperate, this time in Syria, it is important to be aware of the different impediments that stand in the way of such cooperation.
As you move from health care reform to financial regulation to Libyan intervention to immigration to gun-safety legislation, different coalitions form, with different interests and different leverage points and different impediments.
Until now, virtually every ortholog database has used a different format, posing a major impediment for consumers of orthology data, including annotators and for comparative genomicists.
To circumvent this impediment, we have proposed a different approach: intravenous (IV) delivery of a vector encoding a transgene with paracrine activity affecting the heart.
So someone might have a speech impediment but it won't be there when they sing - because it's a different part of the brain.
But this pudding of a teenager, with two different speech impediments, officiated.
"One person has to juggle child rearing while another has different lifestyle impediments," she says.
Organization is a tool, not an impediment, to progress.
The endless preening of different groups craving funding and attention is a huge impediment to real progress.
This is an invitation to racial profiling, an impediment to effective policing and a usurpation of federal authority, Mr. Obama said, evoking a future where "different rules for immigration will apply in different parts of the country".
[become] an impediment when taken into different surroundings, just as when lungs are given to the whale in the sea.
