Senate Democrats face steep odds in trying to hold majority in November

CBS News - For more and to sign up click here The odds are stacked against Senate Democrats this fall, as they try to hang onto their razor-thin majority in November. Not only will they have to defend 22 incumbent seats, many in Republican-leaning states, but they will also have to offset the loss of West Virginia Senator Joe Manchin, who announced his retirement from the Senate last year. West Virginia is one of…