Democrats no longer have the No. 1 weapon to keep their socialist wing in line

American politics is an ever-changing game of power and big money. For the modern Democrat Party, that means being challenged and sometimes eclipsed by the Democratic Socialists of America (DSA) – and there is little to nothing the Democrat Party can do about its rise.

The United States has had many political parties in its history. They include everything from the Federalists (1789) and the Whig Party (1830) to the Libertarian Party (1971) and the Green Party (2001).

The current Democrat...