Not to sound like a cliche, but there’s been good news and bad news for Nashville fans, eager to see if the country-music themed soap opera can avoid a sophomore slump in Season 2. First the good news:  the quality of the music remains top notch.  Nashville has delivered tons of download-worthy songs and performances and that’s continued right through Season 2.  More good news:  Juliette Barnes (Hayden Panettiere) is as Juliette-y as ever:  vulnerable and compassionate one moment, ambitious and scheming the next, downright bitch-tastic in another. Panettiere delivers all of it with just the right mix of...