Mark Towhey is filling in for Reshmi Nair today. Mark reviews the news of the day..Mark plays The Price is Right: Trudeau's Salary edition..Mark needs to get to the sole of a problem, why are shoes laced that way in store? Director and senior curator of the BATA Shoe Museum Elizabeth Semmelhack tries to get Mark's feet back on the ground..Cereal before bed? Food makers push ‘sleep’ snacks at night, are you buying?