The Senate neither held hearings nor took a vote on the Obama Supreme Court nominee, who was nominated nine months prior to the 2016 elections.
A vote on the judge's Supreme Court confirmation is expected Friday.
The president is scheduled to discuss the Supreme Court with Senate leaders on Tuesday afternoon.
The Pennsylvania-based judge has written two majority opinions reviewed by the Supreme Court.
If Hillary Clinton wins the presidency, it's uncertain whether Republicans would allow a vote on Merrick Garland this year—or if she would nominate a new jurist.
Many viewers turned to YouTube after the Facebook live stream ended abruptly.
In a speech in Wisconsin, Clinton put the future of the court at the center of the election debate.
The Democratic front-runner on Monday urged Americans to consider the Supreme Court when voting.
Mitch McConnell says Merrick Garland could not be confirmed during a "lame duck" congressional session after the presidential election.
The Democratic candidate seemed to criticize President Obama's choice to replace the late Justice Antonin Scalia.
Utah's Orrin Hatch and Arizona's Jeff Flake are members of the Judiciary Committee that would hold any confirmation hearings.
Stiff-arming Garland is yet another in the long series of actions that unleashed the Trump-ism that Republicans so fear.