That took a long time. Someone gave him up… either the embassy where he was staying or he tried to escape.
International Level: Specialist / Political Participation: 39 3.9%
"Thus the highest form of generalship is to balk the enemy's plans; the next best is to prevent the junction of the enemy's forces; the next in order is to attack the enemy's army in the field; and the worst policy of all is to besiege walled cities." -- Sun Tzu, The Art of War
Well it was bond to happen. Did he think he was going to live in an embassy for the rest of his life? What's more is he should face the charges and prove himself justified rather than hiding.
International Level: New Activist / Political Participation: 14 1.4%
So it came down to cost and money. I think they did their part and other countries could have stepped in but mostly I'm surprised that Assange didn't try to make his own escape.
International Level: Specialist / Political Participation: 41 4.1%