If you’re opening a new bank account today, don’t be surprised if you’re asked to enroll in an overdraft plan for debit-card purchases. And don’t be afraid to say no, either. Today’s the first day that banks have to ask your permission to enroll you in such plans; yesterday, they could have just signed you up automatically. If they did, though, you can still back out. Existing bank customers must opt in no later than August 15th if they want to keep their overdraft “protection.” [More]