An alleged disruption of oil flows between the two countries shows that their quarrels are far from over.
May 22, 2013 | 04:59 GMT
Despite significant political, bureaucratic and legal hurdles, Brazil has managed to overhaul its oil and gas sector.
May 20, 2013 | 07:00 GMT
Moscow and Hanoi have several mutual interests that contribute to their strengthening relationship.
May 16, 2013 | 07:00 GMT