The Daily Caller reports three recent polls - YouGov, Reuters, and IBB/TIPP find the generic ballot gap favoring Dems is shrinking, in one case to zero. This suggests a pro-Republican trend happening at this time, with the caution that much can happen between now and early Nov.
The article says President Trump has endorsed five primary candidates and all have won their races. This indicates his endorsement is valuable in the current environment. Watch for him to use it generously between now and the election.
