Republicans have stood in almost complete opposition to the Obama economic agenda thus far. So how should they respond to the plan he unveils tonight? Should they accentuate any areas of potential common ground or explain why Obama’s plans violate their core conservative principles? Where should they be willing the compromise and where must they draw the line in the sand? And why do polls show Congressional Democrats with a better approval rating than Republicans? We ask David Johnson, CEO of of the polling firm Strategic Vision.