What’s next: Gov. Henry McMaster is set to name an interim senator as Republicans defend a narrow Senate majority and prepare for an Aug. 11 special primary.
Why it matters: More than a third of senators are 71 or older, renewing debate over incumbency, seniority and fitness for office.
Why it matters: Democrats need Maine to help flip the Senate, and party leaders cut off support within hours of the allegation.
What's new: The 84-year-old senator said tests found no stroke, heart attack, tumors or hemorrhages, and he is in rehab after mild pneumonia.
Why it matters: Democrats view Maine as a must-win seat in their push to flip four Republican-held seats and retake the Senate.
What's new: The 84-year-old said tests found no stroke, heart attack, concussion, tumors or hemorrhages, and he is now in rehab.
What's new: The Kentucky Republican said he was briefly unconscious, had no stroke or heart attack, and is not ready to return to Senate votes.
What's next: The 84-year-old Kentucky senator said he is in rehab and still cannot return to the Senate floor to vote.
What's new: Kentucky's governor urged an update on the 84-year-old senator's condition and ability to remain in office.
What's new: Kentucky's governor formally urged the senator to explain his condition as emergency-call audio and stretcher video fueled questions about his ability to serve.
Why it matters: McConnell has missed three weeks in the Senate, and his office has not given a diagnosis or a return date.
What’s new: McConnell’s office has not disclosed why he was admitted, even as EMS audio from that day referenced CPR for cardiac arrest at his home.
What's new: Senate leaders said they spoke with McConnell in recent days, countering online rumors as his office releases few details.
What's next: Trump is scheduled to sign the measure Wednesday after the Senate cleared it 85-5, capping big investors at 350 homes.
What's next: The measure goes to the Senate and would also scrap direct presidential elections in favor of a parliamentary vote.
What's new: The former Republican leader's office gave no reason for the hospitalization, and his condition was not disclosed.
What's next: The Senate may still try a vote, but the surveillance authority expires at midnight Friday if Congress fails to act.
What's next: The move would need backing from the full 16-member commission and then the Senate before it could take effect.
What's next: Blanche faces a tight Senate vote after backlash over a shelved $1.8 billion Justice Department fund.
What's next: The measure goes to the House after Democrats failed to curb a disputed $1.8 billion fund tied to Trump allies.
What's next: The measure goes to the House after a 52-47 Senate vote, with Democrats failing to add limits on a $1.8 billion fund.
What's next: The measure goes to the House after a 52-47 vote that left Trump's $1.8 billion anti-weaponization fund untouched.
What’s next: The measure goes to the House next week after a 52-47 Senate vote split mostly along party lines.
What's next: Democrats plan amendment votes to permanently bar Trump's $1.776 billion settlement fund as the bill moves through reconciliation.
Why it matters: Democrats are defending a vulnerable Senate bid in Maine as control of the chamber is at stake in November.
What's next: Pulte can serve temporarily without Senate confirmation while keeping his housing finance post.
What's next: Blanche faces a Senate confirmation fight after backlash over a scrapped $1.8 billion "weaponization" fund.