NEWYou can now listen to Fox News articles! FIRST ON FOX: The powerful House Ways and Means Committee has subpoenaed three left-wing nonprofits in an investigation into more than $39 million that flowed from Marxist tech tycoon Neville Roy Singham to the groups, Fox News Digital has learned.In three letters dated July 21 and obtained by Fox News Digital, the committee accused the three nonprofits of failing to turn over a “single responsive document” to earlier requests for information.The committee, led by Chairman Jason Smith, R-Mo., issued the subpoenas to the People’s Forum Inc., a New York-based activist hub; BreakThrough…