NEW : Registration for tickets to singer 's memorial service closes . Watch CNN 's Dr. Sanjay Gupta talk with physician who accompanied Jackson on tour » . Michael Jackson 's family deciding whether to bring body to public service . Comment: Journalists stake out possible locations of singer 's burial .
NEW : Registration for tickets to singer 's memorial service closes . Michael Jackson 's family deciding whether to bring body to public service . Comment: Journalists stake out possible locations of singer 's burial .