<p>What makes a political poll scientific...or not?</p>
<p>Send your questions and comments to dan@wral.com.</p>

How balloon releases affect the environment

Dan Haggerty's In-Depth segments air in WRAL's 7pm newscasts. His stories explore complicated topics in thought-provoking ways.&nbsp;
Dan would love to hear from you! Send your questions and suggestions to&nbsp;dan@wral.com.&nbsp;
WRAL-TV is part of Capitol Broadcasting Company. The station is the NBC affiliate in Raleigh, North Carolina.
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