Washington (AFP) – Democratic presidential challenger Joe Biden on Wednesday neared the magic number of 270 electoral votes needed to win the White House with several battleground states still in play, as incumbent President Donald Trump challenged the vote count.As it stands, there are five states still left uncalled, including major prizes such as Pennsylvania, and key small state Nevada — meaning both Trump and Biden still have a path to victory.US media outlets have projected wins for the Republican incumbent in 23 states including big prizes Florida and Texas, as well as Indiana, Kentuck…