By Scott Malone BOSTON (Reuters) - The two youngest people killed by the Boston Marathon bombing were torn apart by one of the blasts that ripped through the crowd at the finish line, medical examiners testified on Monday as prosecutors wound up their case against accused bomber Dzhokhar Tsarnaev and defense attorneys began calling witnesses. Massachusetts' Chief Medical Examiner Henry Nields showed the jury 8-year-old Martin Richard’s bloodstained gray New England Patriots T-shirt with holes that correlated with injuries to the child’s torso. On the 15th day of testimony in Tsarnaev's trial at Boston federal court, Nields said a piece of shrapnel appeared to have gone straight through Richard's body. Shrapnel from the same homemade pressure cooker bomb that killed Richard punched through Chinese exchange student Lingzi Lu's legs, causing the 23-year old to bleed to death within minutes, Boston medical examiner Katherine Lindstrom testified.
WASHINGTON (AP) — After nearly 100 years, the National Park Service holds some of the country's most beautiful and historic places, though it also suffers from an $11 billion backlog of unfunded maintenance and a visitor base that's aging and mostly white.