LOS ANGELES (Reuters) - Maroon 5 frontman Adam Levine may have charmed TV viewers as a judge on NBC's hit singing competition "The Voice," but music critics have given mixed reviews to the band's latest album "Overexposed," out on Tuesday. The album is the fourth studio effort from the Los Angeles quintet led by Levine, who shot to fame in 2002 with singles "This Love," and "She Will Be Loved," from its debut album "Songs About Jane." "Overexposed" sees the band moving away from the alternative rock that influenced their previous records, and embracing pop music whole-heartedly. ...