Complex sentence: Although clearly campaigning for Barkley, Roosevelt made courteous remarks about Chandler in the spirit of party unity, but in Bowling Green, he chastised Chandler for "dragging federal judgeships into a political campaign".
Split into simpler sentences: Although clearly campaigning for Barkley, in the spirit of party unity, Roosevelt also made courteous remarks about Chandler. In Bowling Green, he chastised Chandler for "dragging federal judgeships into a political campaign".