VOICED: GOP primary: all to play for

The transcript discusses the Republican presidential candidates vying for the nomination to challenge Barack Obama. Mitt Romney leads in polls, while Iowa's caucus plays a crucial role in shaping the race. The caucus attracts committed Republicans, with candidates like Ron Paul, Rick Santorum, and Newt Gingrich in contention. Gingrich presents a stark choice against Obama, emphasizing economic issues. The outcome in Iowa could influence momentum but faces challenges in other states.

How does Mitt Romney's position in the polls compare to other candidates?

What is the significance of Iowa in the context of the presidential primaries?

What are the implications of voter participation in the Iowa caucuses?

Who are the major candidates mentioned in the text and what are their standings?

What challenges do candidates face after the Iowa caucuses?