By Nandita Bose, Jarrett Renshaw and Trevor Hunnicutt Washington (Reuters) – U.S. President Joe Biden plans to unveil a sweeping $1.8 trillion package for families and education in his first joint speech to Congress on Wednesday, as he stresses the need to invest to compete with China, the White House said. Biden will argue that the new package – which together with an earlier infrastructure and jobs plan totals around $4 trillion, rivaling the annual federal budget – is a once-in-a-generation investment vital to America’s future. The U.S. president will also plead directly with lawmakers to p…