The U.S. Senate returns to work today smarting from record-low approval ratings for Congress and facing the prospect of a second year of little achievement before voters decide in November which party will control the chamber.

Republicans aiming to seize control of the U.S. Senate face a challenge in their crowded field of primary candidates in some states. It’s a hazard of the party’s own making.

Republicans aiming to seize control of the U.S. Senate face a challenge in their crowded field of primary candidates in some states. It’s a hazard of the party’s own making.

Republicans aiming to seize control of the U.S. Senate face a challenge in their crowded field of primary candidates in some states. It’s a hazard of the party’s own making.

Republicans aiming to seize control of the U.S. Senate face a challenge in their crowded field of primary candidates in some states. It’s a hazard of the party’s own making.