Complex sentence: While a number of New Deal supporters won primary elections, such as Sen. Alben Barkley in Kentucky, who defeated Happy Chandler, Sen. James P. Pope of Idaho, a prominent New Deal supporter, lost his bid for re-nomination, as did California senator William McAdoo.
Split into simpler sentences: While a number of New Deal supporters won primary elections, such as Sen. Alben Barkley in Kentucky, who defeated Happy Chandler. In Idaho Sen. James P. Pope, a prominent New Deal supporter, lost his bid for re-nomination, as did California senator William McAdoo.