The Cook Political Report: “About CPR House Race Ratings – The CPR House Race Ratings assess the competitiveness of all 435 House elections. Competitiveness is determined by several factors, including the district’s political makeup, the candidates’ strengths and weaknesses, the political environment in the state and nationally, and interviews with candidates and campaign professionals. When sourcing the CPR Race Ratings, please refer to our terms of use. To inquire about API access and licensing, please submit a request.”