Constitutional mandate plus the momentum of tradition
Article 1, Section 5, third paragraph of the constitution reads:
Each House shall keep a Journal of its Proceedings, and from time to time publish the same, excepting such Parts as may in their Judgment require Secrecy; and the Yeas and Nays of the Members of either House on any question shall, at the ...
Because Congress is accountable to their constituents. You are only accountable to yourself.
If how they vote is secret, there's no way of holding them to the promises they made. They could just say "someone else voted it down, sorry" at the next election and you couldn't know that was a lie.
According to NGO Verified Voting (as quoted by Reuters), 24 states and one unincorporated territory used voting equipment by Dominion Voting Systems in the November 2020 US elections: Alaska, Arizona, California, Colorado, Florida, Georgia, Illinois, Iowa, Kansas, Louisiana, Massachusetts, Michigan, Minnesota, Missouri, Nevada, New Jersey, New Mexico, New ...
Texas DOES NOT use Dominion Voting Systems.
Per the publicly accessible PDF from the State of Texas Secretary of State document (dated October 2-3, 2019)
REPORT OF REVIEW OF DOMINION VOTING SYSTEMS DEMOCRACY SUITE 5.5-A.
The examiner reports identified multiple hardware and software issues that preclude the Office of the Texas Secretary of State ...
Shifting voting patterns doesn't mean the Republican party itself is in trouble, only its current political ideology. In the long term it means the Republican party will probably have to change to accommodate more voters.
Example of something which the Republican stance has shifted on.
In the period 1850–1870, the Republican Party was more opposed to ...