For months, there have been virtually no developments in United’s attempts to build a soccer-specific stadium at Poplar Point, east of the Anacostia River. That changed yesterday, when Steve Goff’s indispensible Soccer Insider ran a post announcing a potential roadblock to stadium development. Given the abundance of Goff’s own reporting on the blog, we were surprised when he went and posted a press release in its entirety. The “press release” was titled in forboding capital…