The left's leading donor club has pledged greater transparency, but its state-level political network keeps finances opaque Through five dark money advocacy groups and tax-exempt sister organizations, the progressive Democracy Alliance and its high-dollar Democratic donors are hoping to turn back recent Republican gains in statehouses and governorships. The Alliance discloses little about its activities, but the structure of the nonprofit network established last year to regain progressive power at the state level make the sources of their money even more opaque than most other Alliance-backed groups. In documents handed out at its latest biannual conference, held last month in...