south carolina sen. tim scott african-american republican u.s. senate emotionally detail experience unfairly target police.during speech senate floor wednesday scott reveal first year serve senator stop police seven times.in course one year stop seven time law enforcement scott say four five six seven time one year elect official.the speech second three senator deliver week follow fatal police shoot two black men slaughter five police officer dallas scott say speech far difficult personal watch sen. tim scott feature image via video screen capture watch gop sen. tim scott emotionally detail unfairly target police black man