Hot 104.7 Launch audio.  Xtina unfollows Britney.  Cardi B donates $100k to her former middle school.  Gov. Mills and former Gov. LePage will debate in October.  Lewiston raises pay for substitute teachers. City officials broke ground on a new skate park in SoPo.  What's the worst bday gift you've received?  RIP to the Portland Dennys.