and new parents killed in the july 4th attack. tonight we hear their stories including irina and kevin mccarthy and how their two year old son survived. a tragedy averted. police in richmond, virginia, praise a hero citizen who called er white hr heaesnffer may haveo cipollag meewithomeebehindlosede or b grer a boron the brink. will the british prime minister resign. the job of the prime minister in difficult circumstances is to keep going. o donnell: and the $500 tip that is sure to make you smile. this is the cbs evening this is the cbs evening news with norah o donnell, reporting from the nation s capital. o donnell: good evening and thank you so much for joining us on this wednesday night, i m jericka duncan in for norah. tonight authorities say the suspect in the mass shooting of an independence parade in highland park, illinois, confessed during a police questioning. and we re now learning that robert krijo the third drove to madison, wisconsin w