WASHINGTON — A powerful House panel subpoenaed three far-left nonprofits Wednesday as part of a sweeping review of Shanghai-based Marxist millionaire Neville Roy Singham’s network of subversive groups in the US. The House Ways and Means Committee is probing the path of $39 million disbursed from Singham to the People’s Forum, lefty media outlet BreakThrough News, and Tricontinental: Institute for Social Research. Fox News Digital first reported on the subpoenas. Chairman Jason Smith (R-Mo.) ripped the three groups for failing to cough up a “single responsive document” in response to the committee’s prior requests for information. Smith’s team is concerned...