1.   But now, as the Republicans prepare to choose a challenger to President Clinton, political professionals, money and candidates once again are pouring into Iowa.

2.   Choose a challenger in Tashkent, Uzbekhistan, a former Soviet republic where food and flights are at risk, or choose the qualifying of the French Open?

3.   Hungarians choose yuppie challenger over reformed communist Eds. UPDATES with minor count changes, final turnout.

4.   Hungarians choose yuppie challenger over reformed communist Eds. UPDATES throughout with quotes, details.

5.   Hungarians choose yuppie challenger over reformed communist Eds. COMBINES pvs.

6.   That could hurt him when the Social Democrats choose their challenger next month.

7.   Typically, two-thirds of undecided voters choose the challenger in presidential elections, the newspaper said.