In August 2007, Sembler was among prominent [[conservative]]s funding [[Freedom's Watch]], a new White House [[front group]]<ref>[http://www.lasvegasgleaner.com/las_vegas_gleaner/2007/08/adelson-runs-at.html "Adelson runs attack ads against Porter,"] ''Las Vegas Gleaner'', August 22, 2007.</ref> which began "a multimillion-dollar advertising campaign to urge members of [[Congress]] who may be wavering in their support for the [[war in Iraq]] not to 'cut and run'."<ref name>[http://www.nytimes.com/2007/08/22/washington/22war-web.html?_r=1&ref=us&oref=slogin "Group to Urge War Support,"] ''New York Times'', August 22, 2007.</ref>
[[Mitt Romney]] has named Mel Sembler as National Finance Co-chairman in the 2008 Presidential race. <ref>[http://www.mittromney.com/News/Press-Releases/Florida_Finance_Committee] Mitt Romney 2008 Press-Release. </ref>
In November 2005 it was reported that Sembler donated to the legal defense fund of [[I. Lewis Scooter Libby]], the now-convicted former Assistant to the President and Chief of Staff to Vice President [[Dick Cheney]].<ref>[http://www.sourcewatch.org/index.php?title=I._Lewis_Scooter_Libby#Libby.27s_Money_Men_.28and_Woman.29 Libby's Money Men (and Woman),] SourceWatch article.</ref>