Good morning, it's Tuesday, September 17th. I’m Joseph Delaney, and here's your local news, sports and weather from the Boston Herald. Today will be mostly sunny, with a high of 69. Tonight, expect patchy clouds, and a low of 56. Our top story is: Gov. Charlie Baker wants to sell the Hynes Convention Center in the Back Bay, and put that money into expanding the Seaport’s Boston Convention and Exhibition Center, in hopes of creating “a major global event destination.