RBN Energy CEO Rusty Braziel explained why negative oil futures prices, a first in history, represent a “paper market problem” as travel demand reaches near halt. breaksCEOCNBCcramerenergygasinvestinvestinginvestment strategyJim Cramerkramerlightning roundMad MoneymarketmeltdownMiningoilRBNretirementstock marketVideosVlogwall streetYouTube