What is the expiration date of Enbridge's Line 5 under the Straits of Mackinac? Jason Manshum of Enbridge explains why there is no hard-and-fast date by which the company believes this 4.5-mile length of dual pipeline needs to be replaced. The MIRS team also asks about suspended portions of pipeline under the Straits, the chances of an anchor strike and other questions about the health of the pipeline.

Other subjects covered into today's episode include Cindy Gamrat's new lawsuit, nearly 70 percent of political insiders believe Gretchen Whitmer would beat Bill Schuette in a hypothetical gubernatorial race and the state of Nestle's expanded bottle water application.

Finally, does bottled spring water taste better than municipal water? Shocking results from MIRS' first-ever Nestle challenge.