NEW YORK (Reuters) - Pop singer Rihanna and rapper Drake each grabbed a leading five nominations for the 2012 MTV Video Music Awards, including for video of the year for Drake's "Take Care" featuring Rihanna. Rihanna's dizzying visual romp in the video for her hit "We Found Love" was also nominated for video of the year, along with Katy Perry's "Wide Awake", Gotye's "Somebody That I Used To Know" and M.I.A. for "Bad Girls. ...