WCAI News Director Steve Junker hosts a roundup of some of the top local and regional news of the week, including: i t’s called the Cape’s busiest intersection, and it's poised to get a 3-year makeover; Wellfleet is being asked to buy a $3.4M stretch of tidal flats to protect local oyster farmers; and Dennis and Yarmouths’ town meetings will decide the fate of a new middle school.