 at the gathering the highlight of the night for the gop will most certainly be jd vance the man donald trump chose at the beginning of the week to be his running mate he is expected to address the crowd near the end of the night vance is just 39 years old cbs news special report i'm deborah rodriguez it's 6 32 and house majority leader steve scully says the head of the secret service should resign in the wake of security failures involving the assassination attempt on trump