Florida Georgia Line was experiencing the power of a song at the Country Music Association Awards on Wednesday night, taking two early trophies thanks to the overwhelming popularity of "Cruise." With their mothers in attendance, the duo of Tyler Hubbard and Brian Kelley scored single and vocal duo of the year. Their quick tally was more proof the so-called bro country movement is the sound of the moment in mainstream country. FGL kicked off the show performing a fist-pumping medley with Luke Bryan,...