Radio Smart Talk for Monday, August 22:

The political landscape leading up to next year's presidential election is starting to become more clear. A number of Republicans vying for their party's candidacy are garnering more attention, including Minnesota Congresswoman Michele Bachman, who recently won the Iowa Straw Poll, and Texas Governor Rick Perry, who announced his candidacy a little more than a week ago.

But how much will the field change before next November? Will former Massachusetts Governor Mitt Romney, who's been considered the Republican frontrunner, be able to hold onto his popularity among voters? What will the Republican party have to do to take control of the White House from President Obama, who's seeking reelection?

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