Spread over two days -- Friday and Saturday -- at a picturesque desert resort in Southern California, Obama, 51, and Xi, 59, had several rounds of meetings and a candle-lit dinner spread over nearly eight hours on a range of bilateral, regional and global issues.
Trump aides, who participated in the two-day talks held at the US President's Mar-a-Lago resort in Florida, described the meetings as productive and said the two leaders exhibited "positive" chemistry.
Trump also announced the appointment of Gina Haspel to head the Central Intelligence Agency -- the first woman selected for the agency's top post.
'Singh apprised the Japanese leaders about Islamabad's 'evil design' on Kashmir at a time when Pakistan has decided to internationalise the issue.'
The two Koreas have agreed to pursue a bid to co-host the 2032 Olympic Games, they said in a joint statement on Wednesday following a summit between North Korean leader Kim Jong Un and South Korean President Moon Jae-in.
A summary of sports events and persons who made news on Friday.
North Korean pair given warm welcome on Pyeongchang debut
Had India agreed to join the trade pact, Indian markets would have been flooded with cheap Chinese products.
World leaders are reacting with caution to Donald Trump's jaw-dropping victory in the US presidential election, with some of them reminding him of the democratic values and the global responsibility he carries.
South Korea's Rim Chang-woo lashed home the winner in the last minute of extra time to give the Asian Games hosts a 1-0 win over fierce rivals North Korea in the final of the men's soccer tournament on Thursday.
Cyberspace is a battleground as important as the traditional domains of air, land, sea and space, says US Defence Secretary Ash Carter, who visits India next week.
The strategic pacts were inked after the summit between Prime Minister Narendra Modi and his Japanese counterpart Shinzo Abe during which they also discussed international and regional issues of mutual importance including UN security reforms.
'Both Modi and Xi know that if all that there is to show for Modi's visit -- barely eight months after Xi's India trip -- is a repeat of the same old declarations, there will be a terrible sense of letdown in the public mood resulting in future summits losing credibility. Only the possibility of new ground being broken can justify Modi's trip at this time,' says B S Raghavan.
Admiral Samuel J Locklear III, Commander of the US Pacific Command, has not ruled out militants fighting in Afghanistan today switching their attention back to Kashmir post-US and NATO withdrawal of its troops from Afghanistan, and expressed concern over the recent terrorist attacks across the Line of Control that has exacerbated tensions between India and Pakistan.
The India-Japan 2+2 dialogue added strategic heft to the special relationship in the wake of growing Chinese assertiveness on regional affairs, points out Dr Rajaram Panda.
North Korea is unlikely to strike first, but its response in retaliation, if attacked, could be massive even at the expense of its own destruction, says Rajaram Panda.
'China's growing nexus with Pakistan and the two countries' unresolved territorial disputes with India continue to pose a formidable national security threat to India,' says Brigadier Gurmeet Kanwal (retd).
On Sunday morning Eastern US time, four astronauts will zoom into space on a SpaceX Falcon 9 rocket from the Kennedy Space Centre in Florida. Commanding the spaceflight is Raja Chari, a United States Air Force colonel.
The greatest challenge before India is how to strike a fine balance of its relationship between its neighbour and strategic rival China, and the US.
Meanwhile, the test drew strong criticism from North Korea's neighbours and the West which warned of a robust response to its "grave provocations".
The US also blasted China and Russia for not joining hands with the international community in their efforts to combat the North Korean threat.
The resilience of many emerging markets, notably China and India, in the aftermath of the Lehman shock further strengthened this sense of manifest destiny.
'China made it evident that neither the swing-ride at Ahmedabad nor the red carpet at New Delhi worked, by timing its muscle-flexing in Ladakh to coincide with Xi's visit.'
Indonesia president Joko Widodo declared the 18th Asian Games open in a glittering ceremony on Saturday, launching what promises to be a frenetic fortnight of breathless sporting action featuring the best of the continent's athletes.
'It's hard to call whether the Indian markets will go through a time or price correction.' 'There could be a swift 5 to 10 per cent fall in the market in the next two months or there could be a gradual fall and six months sideway movement.' 'Eventually, I think there will be a bit of both.'
'Young IFS officers today would take it for granted that they represent a major country with strengths and capabilities.' 'They will be aware that India is seen as one of the 10 significant countries in the world and therefore their voice will be heard whether on climate change or regime change,' says Ambassador B S Prakash.
'China's latest defence White Paper has been issued against the backdrop of the upgraded Sino-Pakistan strategic relationship which has impinged on India's sovereignty and territorial integrity, and Beijing's continuing intransigence on tackling the issue of the disputed border or intrusion by PLA troops,' says Jayadeva Ranade.
The BSE benchmark Sensex surged about 241 points to end at 35,165.48 and the NSE Nifty gained 84 points to close at 10,688.65.
'If the dimensions of the strategic partnership worked out by India and the US seem like a grand alliance targeted at you-know-who, China had better realise that it has fathered it,' says B S Raghavan, a long time observer of China.
Raja Chari is in training to go to space in 2019. Vaihayasi Pande Daniel presents the story of his journey from Cedar Falls, Iowa, to NASA. A Rediff.com Exclusive!
India's commitment to an open and plural security architecture attests to the fact that Asia's transition is a dynamic of both power & identity, says Zorawar Daulet Singh