Outside Democratic groups are n't spending the kind of money the party needs . Republican groups rolled out ad buys worth $ 1 million in recent years against four hundred Democrats . Many Democratic groups more focused on keeping control of the House .
Outside Democratic groups are n't spending the kind of cash the party expected . Republican groups rolled out ad buys worth $ 3.7 million in recent days against four House Democrats . Many Democratic groups more focused on keeping control of the Senate .