The "public charge" doctrine has been a foundation of American immigration policy going back hundreds of years to colonial times. The notion is that immigrants who are unable to support themselves, thus becoming public charges, should not be admitted or permitted to remain. In 1996, Congress enacted a federal immigration law codifying the public charge principle, and it has remained on the books in the same form ever since. So what do you call the Trump administration's plan to enforce that law? On Saturday's AM Joy, Democrat pollster and MSNBC contributor Fernand Amandi offered a crazy take: "This is a...