Guest Rewind: Dwight Howard talks about his D12 Foundation and his trip to Africa. (10/5/2011)
Highlights: Dwight Howard talks about how he helps kids. (8/11/2011)
"Right Now" singer shares diplomatic view after deleting #FreePalestine tweet.
Houston Rockets center's "#FreePalestine" tweet outrages group.
Sources say superstar could sign with Chicago or Houston as free agent.
Knicks president hopes superstar forward stays "true to his word" about giving team financial flexibility to build toward championship.