The Note: Republican progress grinds to halt with infighting at fever pitch

President Trump and Mitch McConnell are picking a public fight.

— -- WHAT YOU NEED TO KNOW TODAY

  • Trump, McConnell pick a public fight: After Senate Majority Leader Mitch McConnell vented about Trump's "excessive expectations" for Congress, President Trump hit back on Twitter. "Can you believe that Mitch McConnell, who has screamed Repeal & Replace for 7 years, couldn't get it done," the president tweeted.
  • Improvisation, now mixed signals: The "fire and fury" comment has been followed by some walk-backs by Secretary of State Rex Tillerson and Secretary of Defense James Mattis. Meanwhile, North Korea called Trump's threat a "load of nonsense."
  • Early-morning raid: The FBI executed a search warrant at the home of Paul Manafort, Trump's former campaign manager, last month. The search warrant stems from the special counsel's Russia investigation, which Manafort has said he's cooperating with.
  • Five transgender service members say they are suing Trump over his announced policy -- which has yet to be implemented or expanded beyond his initial tweet -- that his administration will ban transgender people from serving in the military.
  • DANGEROUS AT THE TOP

    QUOTE OF THE DAY

    "General Kelly and others on the [National Security Council] team were well aware of the tone of the statement of the president prior to delivery. The words were his own." --White House press secretary Sarah Sanders on Trump's "fire and fury" comment.

    WHAT TO WATCH

    NEED TO READ with ABC News' Daksha Sthipam

    Trump could face GOP challengers in the 2020 election. As President Trump's approval among Republican voters drops, speculation looms about potential challengers from within the GOP ahead of the 2020 election. Some Republicans, including Vice President Mike Pence, are making moves -- such as meeting with donors -- that could be interpreted as signs of a 2020 run. http://abcn.ws/2vGbErS

    Suggestion McCain's tumor may have influenced health care vote "bizarre," spokesman says. Sen. John McCain's spokesman shut down a fellow senator's suggestion that the Arizona Republican's brain tumor may have affected his "no" vote on health care Wednesday. "It is bizarre and deeply unfortunate that Sen. [Ron] Johnson would question the judgment of a colleague and friend," McCain's spokesman told ABC News. http://abcn.ws/2ur4nfJ

    Institute of Politics at Harvard Kennedy School announces fall 2017 fellows. Harvard IOP

    Unarmed Russian Air Force jet overflies the Pentagon, Capitol, CIA. CNN

    Top Trump donor ponies up to take out Flake. Politico

    Ex-Sheriff Joe Arpaio says he isn't seeking Trump's pardon. Associated Press

    The Note is a daily ABC News feature that highlights the key political moments of the day ahead. Please check back tomorrow for the latest.