Trump brings son Barron into "Witch Hunt" conversation

His other tweets:

1. "Ukrainian efforts to sabotage Trump campaign - "quietly working to boost Clinton." So where is the investigation A.G. @seanhannity"
2. "Attorney General Jeff Sessions has taken a VERY weak position on Hillary Clinton crimes (where are E-mails & DNC server) & Intel leakers!"
3. "Problem is that the acting head of the FBI & the person in charge of the Hillary investigation, Andrew McCabe, got $700,000 from H for wife!"
4. "Big day for HealthCare. After 7 years of talking, we will soon see whether or not Republicans are willing to step up to the plate!"
5. "ObamaCare is torturing the American People.The Democrats have fooled the people long enough. Repeal or Repeal & Replace! I have pen in hand."
6. "So great that John McCain is coming back to vote. Brave - American hero! Thank you John."