>> shark warning issued along the coast of cape cod after great white was spotted earlier this week. yesterday another shark was spotted off the coast as well. swimmers banned from swimming within 300 feet of seals which are known prey for sharks. this news comes as the discovery channel is kick off very popular shark series tomorrow. we will talk live to a shark expert. the host of shark tack survival guide tomorrow in our 1:00 p.m. hour. the today is the big day for chelsea clinton former president bill clinton's little girl will say i do to long time boyfriend m ms. chelsea's wedding is secretive. not the first time former first daughter has walked down the aisle pot light. here is doug. author of all the president's children. great to see you today. >> thanks for having me. the american public, closest thing we have to royalty. when first daughters get married we feel like we need to be there and have a seat. in the wedding. but tell us about some the other big weddings that have happened over the years.