Source: United States & Canada – South China Morning PostUS President Joe Biden on Tuesday cast doubt on Russia’s claims that it has withdrawn some troops from the Ukrainian border, warning that an invasion by Moscow remained “distinctly possible” and urging all US citizens still in Ukraine to leave.Russian officials said earlier on Tuesday that some forces were returning to their home bases after completing military drills, releasing video footage purporting to show tanks being loaded onto railway cars.“That would be good, but we have not yet…Read More