The Democracy Alliance, a top-secret collective of ultra-rich left-wing political donors, has a new member — Randi Weingarten, who heads the labor union that represented Douglas County teachers until two years ago when the district went union-free. ... Weingarten is president of the American Federation of Teachers (AFT), an arm of the AFL-CIO whose affiliates include the Douglas County Federation. ... Ben DeGrow, Independence Institute senior education policy analyst, said Weingarten’s joining the Democracy Alliance shows that the union is using dues collected from teachers to pursue an extreme political agenda. ... Unlike other school districts, Douglas County no longer...