nprnews_____ = ||| lubuntu at wor2|||Joe Biden Formally Nominated At DNC; Jill Biden Makes Personal Case For His Election||| kickerpage = |||no kicker pagenpr for NPRNEWS||| summarynpr = |||The former second lady closes the evening by recalling her husband’s focus on public service amid personal tragedies, such as the death of his son Beau in 2015. Follow live updates and analysis.