Please note August 21st as the date on which we lost our patience with the bickering-through-advertising being foisted on us by U.S. Senate candidates Ben Nelson and Pete Ricketts. Enough already.If either of these guys had any sense, he'd make an ad saying, "I know you're sick of listening to us piss and moan about each other all the time. Therefore, starting on September 1, I am pulling all my