WaPo: “Congressional ethics investigators concluded there “is substantial reason to believe” that Florida’s Rep. Vern Buchanan, one of the top Republicans in the House, violated ethics laws by failing to report his position with a half-dozen firms, according to records released Monday. The disclosure of the findings from the Office of Congressional Ethics presents another political complication for Buchanan, who chairs Republican fundraising efforts in the House and is seeking to win a fourth term representing the Sarasota area.”