P.T. Barnum & the nuke talks  Heads of state and foreign
ministers from 50-plus countries will gather next week in Seoul,
South Korea, to discuss the threat of nuclear terrorism, a
follow-up to the first “nuclear-security summit” convened two
years ago in Washington by President Obama.  Ironically, as the
Seoul summit opens, North Korea will be preparing to launch a
ballistic missile next month, blatantly flouting repeated UN
Security Council resolutions and its own prior commitments,
particularly a recent deal with the United States made public on
Feb. 29.  Yes, Pyongyang says it’s merely sending a
communications satellite into orbit; it blithely announced last
Friday that this “satellite” will celebrate the 100th
anniversary of the birth of Kim Il-Sung, the founder of its
hereditary communist dictatorship.  But no one doubts that the
launch’s real purpose is to advance North Korea’s capacity to
target and deliver its nuclear weapons anywhere on earth.  Yet,
under the Leap Day deal, Pyongyang agreed to a par