The Prime Minister will make his second visit to the USA since coming to office a matter of months ago, according to the White House. Sir Keir Starmer is due to visit Washington DC and meet with President Joe Biden on September 13. The meeting will be the second of its kind between the leaders since Sir Keir came to office in July, and comes just two months before Americans go to the polls for the presidential election. Their first White House meeting took place as Sir Keir attended the Nato summit just days after Labour won the election. Since their last meeting, President Biden has announced…