"The US Chamber of Commerce is out with a new six-figure ad meant to back newly appointed Sen. Cindy Hyde-Smith (R-Miss) in her fall bid for re-election, which will pit her in a tight race against State Sen. Chris McDaniel (R) among other opponents. The early effort is indicative of the Republican establishment's push to rally around Hyde-Smith, who was appointed by Gov. Phil Bryant (r) to fill Sen. Thad Cochran's (R) vacant seat." "The Hill"-4/13/2018 "'Let's get every America First Conservative out to the rally in support of President Trump,' the McDaniel email reads,"Show the President that Trump Country...