The two Koreas exchanged naval gunfire off the coast of North Korea in disputed waters - the first time in seven years shots had been fired in anger.The North Koreans started it - the South Koreans finished it, according to this New York Times report by Choe Sang-Hun:North and South Korean naval vessels exchanged fire in disputed waters off the western coast of the Korean Peninsula on Tuesday, leaving one North Korean vessel engulfed in flames, South Korean officials said.The two Koreas accused each other of violating territorial waters, provoking the fierce two-minute skirmish. It was the first border fighting in seven years between the countries, which technically remain at war after fighting in the 1950-3 Korean War ended in a truce rather than a permanent peace treaty.The incident served as a reminder of instability in the region just days before President Obama was to begin a weeklong visit to Asia. North Korea's nuclear weapons program will be a leading topic not only when he...(Read Full Post)