Harris County law enforcement agencies will again crack down on drunken drivers during Christmas and New Year's, but the expanded operations no will longer be limited to holiday weekends. The "no refusal" initiative — a countywide program that expedites search warrants for blood samples from drunken driving suspects who refuse breath tests — now will be in effect every weekend for the next three years due in large part to a grant recently issued by the Texas Department of Transportation to the Harris County District Attorney's Office. The initiative, which also includes funds from the District Attorney's Office, will total...