Washington (AFP) – President Donald Trump and Democratic challenger Joe Biden are battling it out for the White House, with polls closed across the United States — and the American people waiting for results in key battlegrounds still up for grabs.As it stands, there are seven states still left uncalled, including major prizes such as Pennsylvania and Wisconsin — 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, Kentucky, Missouri and Ohio — all …