US YouTuber and host of The Blaze TV, Lauren Chen, has hit out at US President Joe Biden’s efficiency as leader, as she claimed Biden is “mentally incompetent”. Biden has frequently caused concern as the next election looms, with his cognitive ability becoming centre stage of the President’s engagements and state visits. Speaking to GBN America, Chen claimed that the Potus “may not make it” to November’s ballot, and it is “very strange” that Biden has seemingly “held back” on his campaign trail, in comparison to other Democratic candidates. Chen highlighted the Democrats’s push for Gavin Newso…