Climate change could lead Europe into a conflict with Russia, according to a report from Europe's foreign policy leaders. The report won't be officially presented to the European Council until Friday, but it's already all over the media.
Venezuelan President Hugo Chavez has said the happy end to the regional crisis with Colombia should boost unity in Latin America.
Polls have opened in Spain as the country's 35 million eligible voters decide whether to return the ruling Socialists to power.
Barack Obama on Saturday night comfortably won caucuses in the western US state of Wyoming, as the Illinois senator sought to regain momentum in the race for the Democratic nomination after defeats to rival Hillary Clinton in Texas and Ohio last week.
Venezuela said Sunday that it is reopening its embassy in Colombia and will allow back Colombian diplomats expelled last week by President Hugo Chavez in a crisis sparked by a cross-border Colombian attack on rebels in Ecuador.
The presidents of Ecuador, Venezuela and Colombia shook hands on Friday at the Rio Group regional summit, marking the end of a diplomatic crisis in the Andean region and the opening of a fresh start in an area plagued by irregular forces.
The crisis had been triggered by a cross-border raid by Colombian troops into Ecuador to attack FARC rebels and kill their number two leader.
Brazilian President Luiz Inacio Lula da Silva inaugurated Friday an exhibition at Rio's Historical Museum, New World, New Empire, and met visiting Portuguese President Anibal Antonio Cavaco Silva marking the beginning of the country's bicentennial celebrations.
Former British Primer Minister Baroness Thatcher, 82, is said to be in a stable condition after being admitted to hospital for medical tests. A spokeswoman for St Thomas's Hospital in London said she was expected to stay in on Friday night under observation.
Brazilian migration officials on Friday turned back eight Spanish tourists a day after the country expressed disappointment to Spain over the high number of Brazilians that are being rejected at the Madrid Barajas airport.
The head of the UN World Food Programme has warned that the rise in basic food costs could continue until 2010. Josette Sheeran blamed soaring energy and grain prices, the effects of climate change and demand for bio-fuels.