It is the second summit with the American president, following one at Sunnylands in California in 2013.
His welcome in a smoggy but unseasonably temperate Delhi for his first summit with Modi will be much warmer.
This week the EU will hold its first summit with Russia since Dmitri Medvedev replaced Vladimir Putin as president.
At the same time, they will make a declaration about strengthening trade with Japan, hold their first summit with India (with trade high on the agenda) and publish a report about integrating the economies of "ASEAN+3", which ropes in China, Japan and South Korea.
When Barack Obama arrived in Moscow for his first summit with the Russian president on July 6th, he sat on the edge of his chair, his eyes fixed on his host, Dmitry Medvedev.
Speaking from Riga before his first summit with EU leaders since his general election victory, the UK prime minister played down any expectations of a quick deal and suggested other countries and commentators would initially create "noise" to undermine his aims.
To put new life into that old relationship and from a shared interest in maintaining diversity in Latin America's foreign relations the leaders of the European Union will gather in Rio de Janeiro on June 28th and 29th for their first summit with their counterparts from the region.The timing is not auspicious.
Pompeo was referring to the news that Trump will hold a second summit with Kim at the end of February, adding that "good things have happened already" since the pair's first meeting in June.
Matlock was instrumental in preparing Reagan for his first summit with Gorbachev, arranging for specialists within the government to write a "Soviet Union 101" course of 21 papers on Russia for Reagan to study.
Reports suggest Trump could soon announce a date for a second summit, with the Washington Post reporting a March or April sit-down possibly in the Vietnamese town of Danang.
In preparing for his first summit with China's president Xi Jinping, President Obama might well peruse the detective novel, Don't Cry, Tai Lake, by Qiu Xiaolong, a Chinese writer and intellectual who teaches at Washington University in St . Louis
