half past the hour. we ll look at the headlines here on cnn. hundreds of people in and around tulsa, oklahoma, lined up for testing today to see if any of them may have contracted hepatitis or hiv from their dental surgeon. about 7,000 people have been linked to dr. scott harrington. investigators who searched the office say it was unsanitary and contaminated. florida s i-75 is full of spring break travellerers this weekend. but a lot of them are going nowhere fast. the brush fire shut down the high for 11 miles in both directions south of tampa. northbound lanes are open again. at last check southbound traffic is being diverted off the interstate. new york s mayor michael bloomberg trying to get a ban on big sodas reinstated. the mayor is appealing a judge s decision to block the ban. the judge says the ban limiting sugary beverages to 16 ounces