Morning Roundup: Another pot proposal shot down, Jack Nicklaus selling ice cream, LeBron to colleges – back off 10-year-old LeBron Jr.

In today's roundup: Another proposal to legalize marijuana has been sent back for more work, Ted Strickland comes out swinging in his challenge to Rob Portman, Jack Nicklaus launches a line of ice cream with Schwan's, Heinen's opens a supermarket in a historic building in Cleveland, and LeBron wants colleges to lay off LeBron James Jr. DeWine shoots down another pot proposal Ohio Attorney General Mike DeWine has rejected another proposed constitutional amendment to legalize marijuana. This time…