When a rapper tries to convince you that “I’m trend-setting, despite an awful debut,” feelings of hesitancy that arise should be treated as a completely normal reaction. Despite the critical acclaim that his debut album “Attention Deficit” (2009) received, Wale has failed to garner to commercial success that many of his hip-hop counterparts have already achieved. So Wale did what any over-achieving artist would do: he signed with a mainstream label (Rick Ross’ Maybach Music ...