michael kors black Friday Learning curve. Gary Knell, formerly the chief executive of Sesame Workshop, the maker of the acclaimed kids show "Sesame Street," has moved to a rougher neighborhood. As the new head of National Public Radio, Knell will face funding and programming issues and be required to balance the needs of NPR with those of the local stations that carry its programming.Nature Reviews Neurology 9, 192200 (April 2013) doi:10.1038/nrneurol.2013.36Focus on: Traumatic brain injuryMilos D. IkonomovicTop of pageAbstractOver the past decade, public awareness of the longterm pathological consequences of traumatic brain injury (TBI) has increased. Such awareness has been stimulated mainly by reports of progressive neurological dysfunction in athletes exposed to repetitive concussions in highimpact sports such as boxing and American football, and by the rising number of TBIs in war veterans who are now more likely to survive