Tents, ladders, coolers, canned goods, tennis balls and bicycle locks are banned in the area surrounding the Republican National Convention in Cleveland.

But guns are fine.

When Ohio Gov. John Kasich on Sunday rejected the Cleveland police union's request to ban the open carrying of firearms near Quicken Loans Arena, he weighed into a national debate pitting city authorities who contend with gun violence against state lawmakers who answer to gun-loving voters.