Whenever someone assures you that another person you’re both dealing with “understands” the “quid pro quo,” you’d be wise to run away as fast as you can and never look back. But that’s exactly how then-Alderman Daniel Solis assured then-House Speaker Michael Madigan in late June of 2017 that their mark – the developers of a West Loop apartment complex – would eventually be convinced to retain Madigan’s property tax appeals law firm.