During election season, the White House and the president's leadership is critical in showing why electing or re-electing members of his party in Congress is good, valuable, important - ideally a no-brainer.
The list below is by no means exhaustive. It leads with things the White House has done just this month. It includes other achievements further in the past, and I encourage readers to add, in comments, the strongest things the president has done to make Americans want to get out and vote Democratic.