How Ben Ray Luján's absence could affect the Senate's agenda

Senator Ben Ray Luján, who suffered a stroke last week and remains hospitalized, is expected to return to Washington and be back at work in four to six weeks. In the meantime, Senate Democrats will not have enough votes to pass legislation on their own, since they cannot afford to lose a single senator from their 50-50 majority.

Here are some of the issues that could come up in the next few weeks: