Interestingly enough they claim this is an LV model, without going into methodologies....
One could certainly email them and request that information:
Crosswind Media & Public Relations is one of the leading firms in the U.S., ranking in the top 100 nationally. Headquartered in Austin, Texas, the agency has offices in Washington D.C., Los Angeles, Houston, Dallas and New York. While Crosswind’s roots are in Texas, it has a global reach, serving corporate clients, public agencies and national governments across five continents. It specializes in brand management, crisis communication, thought leadership and event planning and serves clients in the energy, infrastructure, entertainment, education, technology, banking & finance, health care sectors. For more information, go to http://www.crosswindpr.com or email info@crosswindpr.com.It could well be "Poll herding" since they might well be doing this as a free gig to bump their "street cred" so they can pocket some $$$ off of their main private and public sector polling accounts, but that still wouldn't necessarily discount their ability to conduct an accurate poll, despite the whole "even a broken clock is right two times a day" or "dartboard" metaphoric references.