Nooutsiderintervening in awrangle betweenDenmarkorGermany would worry about avoidingAugust1st, which in 1860 marked a turning pointin the bitter row about the Schleswig-HolsteinQuestion.
Alongside the South Korean leader, Mr Obama said at the White House that North Korea would no longer be allowed to raise tensions to wrangle concessions.
He is believed to have been a significant contributor to Estrada's presidential campaign, and his connections to the Democratic Party will no doubt come in handy as Estrada's foreign-policy advisers try to wrangle a state visit to Washington later this year.