vientiane philippines president rodrigo duterte thursday defend country human right record regional summit laos urge east asian leaders unite state help manila eradicate scourge illicit drug duterte sweep power may promise wipe crime corruption within six months pledge wage war drug dealers crush widespread addiction country 100 million toll government two-month war drug reach 2,400 last week police say 900 people die police operations rest deaths investigation term human right activists call euphemism vigilante extrajudicial kill set aside prepare speech duterte speak five minutes human right campaign drug east asian summit laotian capital vientiane accord one indonesian diplomat meet let tell human right diplomat quote duterte say display picture filipinos kill american soldier century ago ancestors kill talk human right talk full spectrum human right duterte speak obama deliver speech refer human right duterte drive popular support home kill draw expressions concern unite state close philippine ally unite nations tirade laos summit duterte insult u.s. president barack obama white house respond cancel two-way meet philippine officials week hand 38-page pamphlet summit praise duterte drug campaign duterte tell regional leaders u.s. lecture philippines right