Watch CNBC's full interview with Again Capital's John Kilduff on energy prices

John Kilduff, Again Capital founder and a CNBC contributor, joins CNBC's 'Squawk Box' to break down rising prices for natural gas amid growing tensions between Russia and Ukraine. Kilduff explains why Germany is "beholden" to Russia for gas and why that could be a geopolitical risk as Russia adds pressure on Ukraine. "Europe's got a huge problem here," Kilduff tells CNBC.