But they represent some of the new ideological litmus tests being proposed by a left-leaning party still smarting from Donald Trump's 2016 victory and desperate to oust him in 2020. Elizabeth Warren, D-Mass., of using the national popular vote to elect US presidents rather than the electoral college - a position that has also been articulated by South Bend Mayor Pete Buttigieg and is under consideration by other 2020 Democratic candidates.
"My view is that every vote matters", Warren told a townhall meeting in MS, arguing that the southern state along with several populous ones like California rarely receive presidential candidates because they aren't considered battlegrounds.
The first-day totals from O'Rourke and Sanders have far exceeded all other Democratic candidates who shared their totals.
O'Rourke says he'll visit every county in the state over the next few days. Trump tweeted on Tuesday night.
That led to criticism of the institution at the time from some Republicans, notably, Trump himself.
He's called for adding a half-dozen U.S. Supreme Court seats, drawing fire from the president.
"The Democrats are getting very 'strange.' They now want to change the voting age to 16, abolish the Electoral College, and Increase significantly the number of Supreme Court Justices".
It would require lawmakers to pass a constitutional amendment - no easy feat in a paralyzed Congress - and then ratification by 38 out of the 50 states. Clinton won the popular vote.
And if you need one more reason to eradicate the electoral college, well.
Another option is gaining momentum. But rather than pass a constitutional amendment, these legislatures are joining the National Popular Vote Interstate Compact, a group of states that pledge to give their electoral votes to the victor of the national popular vote.
On Friday, Colorado became the first swing state to join the group.
The Electoral College routinely threatens or produces perverse outcomes, where the will of the voters is thwarted by an ill-considered 18th-century electoral device.
Several Democratic-controlled states are pushing for a national popular vote.
However, political experience may not be enough if Harris wants to gain an edge over her Democrat competitors since 13 of the candidates running are politicians.