* Moscow terror attack: President Putin calls for ‘Humanism, Mercy’ as death penalty debate grows     * No Immediate Relief From High Court, Arvind Kejriwal To Stay In Custody     * 2 gambling scandals are now threatening pro sports, and the problems may run deeper     * No immediate dollar estimate on bridge damage or timeline for reopening, Buttigieg says     * REQUIEM FOR A RAPPER: Sex trafficking investigation against Diddy heating up