perspective. thank you so much. i hope it s not a cluster issue. sometimes these attacks come in clusters. shepard: we certainly hope not. catherine herridge says the belief is that this was a small cell and this is the end of it and we can certainly hope she s right. claire bartlett on the line from atlanta. godspeed. thank you. shepard: quit commercial break. bottom of the hour. the news is next. i tried lifestyle changes and over-the-counter treatments, but my symptoms keep coming back. it turns out i have irritable bowel syndrome with diarrhea, or ibs-d. a condition that s really frustrating. that s why i talked to my doctor about viberzi. .a different way to treat ibs-d. viberzi is a prescription medication you take every day that helps proactively manage both abdominal pain and diarrhea at the same time. so i can stay ahead of my symptoms. viberzi can cause new or worsening abdominal pain. do not take viberzi if you have no gallbladder, have pancreas or severe liver probl