An initiative toward more individualized and effective treatments for cancer is gaining traction at universities in Virginia. WMRA’s David Doremus reports that researchers here are studying the way DNA actually works.  The initiative drew President Obama’s attention in this year’s State of the Union address. One major type of epigenetic modification has to do with the way DNA is packaged inside cell nuclei. Each cell starts out with the same DNA, but the functions the DNA performs depend on how it is packaged up inside the nucleus, and where the resulting folds and loops...