Facing Western sanctions and low oil prices, Russian companies are lining up for subsidies from the government. But the demand for bailouts is quickly outstripping the supply of money, raising the prospect of an economic crisis here if the funds run out. With the economy flailing, the Russian government set up a corporate bailout program last year, tapping one of the country’s sovereign wealth funds . Almost immediately, companies started applying. The state-owned oil giant Rosneft has requested $21.3 billion. Gazprom, the dominant natural gas player, has asked for $3.2 billion for a subsidiary. The list goes on: Russia ’s railroad monopoly, which is also the largest employer in the country; an owner of Moscow’s airports; a venture capital firm investing in nanotechnology; and a company exporting Russian nuclear power plants. So far, companies have requested at least $37 billion, a figure that is likely to rise […]