1.   But Port Authority officials have said such a route will be too costly and add regulatory hurdles to the project.

2.   In addition to the many scientific challenges of cellular imaging, biotechnologists must add another hurdle.

3.   The change in the bill tonight added a hurdle for Mirage Resorts, the Las Vegas company that wants to build a casino in Bridgeport.

4.   The Palestinians, for their part, complain that by demanding a referendum, Peres adds new hurdles to any agreement.

5.   South African Shaun Bownes added a hurdles bronze to the gold medal won by compatriot Riaan Botha moments earlier in the pole vault.