022520 504 Iowa’s senior senator took part in what he says was a “top secret” briefing in a congressional chamber this morning to discuss the impact of the coronavirus, according to Radio Iowa. In a conference call with Iowa reporters, Senator Chuck Grassley didn’t want to reveal many details of the briefing but did say he met with officials from several federal agencies involved with public health. Some Iowa businesses that rely on China for the bulk of their products report they’re being hurt