A secretive group of elite power brokers is meeting in the US state of Virginia for closed-door discussions over four days. The Bilderberg Meetings have 131 participants from 21 countries in Europe and North America, the group said in a press release. A couple of top advisers to President Donald Trump are to attend the forum, 30 miles (48km) from the White House. The shadowy group is a lightning rod for conspiracy theorists. This year's group includes Mr Trump's Commerce Secretary Wilbur Ross, his National Security Adviser HR McMaster and Peter Thiel, the billionaire Paypal creator who has been a vocal supporter of the president. At the top of the group's 13-point agenda is "The Trump administration: A progress report". The forum - at a Westfields Marriott hotel in Chantilly - is also being…