But the negotiations over market openings in China are particularly fraught with high-level politics in both capitals.
But high-level politics seemed to be the last thing on the minds of passengers, who had each paid $19 for their one-way tickets.
In contrast, some huge projects, like Star Wars, have their origins largely in high-level politics.
It had been one of his first real lessons in high-level politics.
But not everyone is convinced that Israel's attempt to stop money laundering can overcome close ties between wealthy businessmen and high-level politics.
Like others interviewed for this article, this person asked not to be identified because the authorities often punish people who speak publicly about high-level politics.
But not everyone thinks "Clean Kathleen" - the only woman in the family to pursue high-level elective politics - is up to the challenge she faces.
While national security concerns were cited as the grounds for rejection, reportedly high-level politics played an important role as well.
Mr. Lugar is no novice to high-level politics.
David Cameron is at his first international summit, working the room, turning on the charm, establishing the personal rapport that is vital in high-level politics.