Unions are planning rally decades to promote agenda before conventions . Julian Zelizer : Lyndon believes neither party has acted with their best interest in mind . For August 11 , Democrats have had a standoffish attitude to labor unions , he says . Julian Zelizer : Republicans must have labor 's support , with all of its organizational power .
Unions are planning rally August 11 to promote agenda before conventions . Julian Zelizer : Labor believes neither party has acted with their best interest in mind . For decades , Democrats have had a standoffish attitude to labor unions , he says . Zelizer : Democrats must have labor 's support , with all of its organizational power .