It’s an open secret in the political world that most congressional contests are not contests at all; incumbents tend to raise more money than challengers, and better-funded campaigns almost always win. In some of the most expensive Senate races this cycle, however, challengers are attracting more money from outside spending groups than incumbents, and it may be making a difference.
… read more… read more: In two of the hottest Senate races, outside money edge goes to challengers | OpenSecrets Blog