Barrett was sworn in at an outdoor ceremony in the Rose Garden at the White House, with President Trump presiding over the proceedings.
The final tally was 52-48 with almost every Republican senator voting in favor of confirmation.
In additional tweets, Markey also called for Democrats to "abolish the filibuster" and to "expand the Supreme Court."
Stories that caught my eye today, related to adoption, foster-care, and life issues.
Stories that captured my attention, on topics from Amy Coney Barrett to Catholicism.
Dunkin' has begun preliminary talks about going private in a deal worth at least $8.8 billion.