1.   Firms said that tax complexity and administrative problems were the major hurdles in the path of extending freedom of choice.

2.   Of those, two are said to be major hurdles that could scuttle the deal, sources said.

3.   The major hurdle, however, is entry into secondary school.

4.   The wind speed and direction, and the cloud height and type were major hurdles to be overcome each hour.

5.   However, it presented a major hurdle for Estonia and Latvia.

6.   Although the takeover has cleared several major regulatory hurdles, it is not final.

7.   An agreement would also clear a major hurdle toward implementing the Geneva agreement, although analysts say new hurdles are likely to arise in the future.

8.   Analysts have suggested that a Union Pacific-Santa Fe combination would face major regulatory hurdles.

9.   Analysts were quick to point out that the companies have to clear major regulatory hurdles before an outright merger could happen.

10.   And the very diversity of these immigrants has become a major hurdle not confronted by the Jews and Italians before them.