Talk of a global diesel shortage subsided in the past few weeks as oil prices once again took center stage, but the tight supply situation in middle distillates appears to have remained unchanged, and traders are betting it will continue to be tight. Tighter than the situation in oil, in fact. In his regular column on oil buying, Reuters’ John Kemp said this week that more traders were bullish on middle distillates than on crude oil. Even though sales of diesel in the last week of 2022 hit 2 million barrels, they were nowhere near sales of…