Nicki Minaj is taking a hard look in the rearview mirror ... admitting there are plenty of lyrics from her past she'd rewrite if she had the chance. The rap superstar got candid on "The Bryce Crawford Podcast," saying a lot of the music culture she helped shape wasn't exactly leading people toward God ... but rather money, status, and material things ... and she's willing to take responsibility for something she regrets. Nicki explained ... when she was younger, she didn't fully grasp how much