President Joe Biden has ordered the reestablishment of a US troop presence in Somalia to help local authorities combat the Al-Shabaab militant group, a senior American official told reporters Monday. The move reverses an order from Biden’s predecessor Donald Trump, who in late 2020 pulled nearly all US forces from the East African nation as he sought to wind down US military engagements abroad during his final weeks in office. Biden “approved a request from the Defense Department to reposition US forces in East Africa in order to reestablish a small persistent US military presence in Somalia,”…