Seems ryan has given romney a boost. See cpwill I can admit it I just read Romney took the lead in Ohio, Fla and Wisconsin all big swing states in a quinnipiac poll which seem to be fair minded pollsters.
Quinnipiac: Obama Leading in Florida, Ohio, Wisconsin
There is also the a famously accurate poll model that predicts Presidential winners having romny as winning in nov...using thier model they have been 100% accurate since 1980 in predicting the winner.
Analysis of election factors points to Romney win, University of Colorado study says | University of Colorado Boulder
Do you believe Obama or Romney will win in Nov....I still believe the debates can turn the tide and firmly place the winner, however, going into the debates Romny/Ryan have a clear edge.