Rasmussen reports: Republican Mark Kirk holds a modest 46% to 40% lead over Democrat Alexi Giannoulias in the race for the Illinois Senate following Tuesday’s party primaries.

The first post-primary Rasmussen Reports Election 2010 telephone survey of the Kirk-Giannoulias race finds just four percent (4%) of likely voters in the state prefer some other candidate, while another 10% are undecided.