However , due to a number of controversial incidents involving Bunning , the Democrats began increasing financial support to Mongiardo .
Bunning had an estimated $4 million campaign war chest , while Mongiardo had only $600,000 .
Due to a number of controversial incidents involving Bunning , the Democrats began increasing financial support to Mongiardo .
Bunning had an estimated $4 million campaign war chest , while Mongiardo had only $600,000 .