OpinionDNC Convention Sketch: Hope and ChangeBy Walt HandelsmanSeptember 4, 2012 Share Opinion ColumnsMICHAEL DOBIEDealing with change that fills our lives2m readCATHY YOUNGRFK Jr.'s war on science and medicine2m readMICHAEL DOBIEUranus, Pompeii and the search for truth2m readCATHY YOUNGTrump's win leaves Ukraine twisting2m readDAN JANISONLoyalty emerges as Trump's litmus test2m read