if you understand the commodities, the ruble has depreciatated at a greater rate than the oil. therefore, the cost of producing the oil has decreased. where you look at the decrease in the oil price, but their currency is much stronger. now it's harder for the north american shale producers to compete internationally. what happens with russia? yes, their costs decreases but one-third of natural ga europe depends on russia for natural gas. they're bringing in euros, and bringing in different currencies. they're making a bigger margin than other currencies. that's one aspect. and then one thing that is truly forgotten here with with the russian national population, these sanctions against russia has really bolstered putin, who is a strong leader. if you understand russian history and leadership, peter the great, strong character, strong leaders. that's what people want and aspire to, and these sanctions have garnered up not only a popular vote for putin but closed russia close for china. all these things are going to backfire on these sanctions against russia. >> we'll be jumping