House Democrats have already voted to impeach Trump for a second time over charges he incited the assault by his supporters on the US Capitol building which left five people dead.
Amy Coney Barrett has described abortion as "always immoral". The Republican-dominated Senate is planning to confirm her and the Democrats are powerless to stop it.
After a tumultuous decade, the percentage of voters who identify as Republican or Democrat has remained stable, but there are big changes inside the numbers.
Donald Trump and congressional party leaders made no progress over resolving a federal shutdown that has left workers unpaid and sites closed.