The Obama administration has dropped a controversial proposal that would have required all federally funded scientists to get permission from patients before using their cells, blood, tissue or DNA for research. The proposal was eliminated from the final revision of the Common Rule, which was published in the Federal Register Wednesday. The rule is a complex set of regulations designed to make sure federally funded research on human subjects is conducted ethically. The revision to the regulations, set to go into effect in 2018, marks the first time the rule has been updated in 26 years. The initial proposal that...