Russia remains economically isolated and it's suffering a brain drain of young, educated professionals, explains Kristy Ironside of McGill University.
It's all about propping up his own country's currency.
The ruble is a free-floating currency whose value tracks supply and demand. But sanctions have demolished demand and wrecked the market.
Long lines at ATMs. A significant drop in the ruble's value. Economic sanctions are already being felt by everyday Russians.
Being cut off from the SWIFT system means Russian banks can't legally or efficiently execute transactions.