Washington (AFP) – Democrats celebrated Sunday a stunning victory to hold the US Senate, leaving Republicans in disarray and providing a critical base of political and legislative support for the remainder of Joe Biden’s presidency. Although the fate of the lower House of Representatives is still up in the air, retaining control of the upper chamber in a midterm election many predicted they would lose by a wide margin is, in itself, a major triumph. “I feel good and I’m looking forward to the next couple years,” said Biden, who was attending a summit of Southeast Asian leaders in Cambodia. The…