Sunday, April 18th will mark the 45th annual Academy of Country Music Awards. Reba McEntire and Blake Shelton announced nominations today on The Early Show. Reba will be back as the host for the 12th year. The fans will have their chance to pick their favorites this year as the previous years. Fans can vote for Entertainer of the Year, Top New Solo Vocalist, Top New Vocal Group and Top Vocal duo. Each...