LOS ANGELES (Reuters) - Rapper Rick Ross notched his fourth No. 1 album on the Billboard 200 chart on Wednesday, as his solo album "God Forgives, I Don't," knocked country group Zac Brown Band to claim the top spot. Ross, who founded the Maybach Music Group, sold 218,000 copies of his latest album according to Nielsen SoundScan, scoring his best sales week to date. Sales were fueled by a special offer on Amazon MP3, that priced "God Forgives, I Don't" at $5 for the month of August. Ross' chart-topping debut placed Zac Brown Band's "Uncaged" at No. ...