In his final year, Mr Welch will focus on these challenges, with Mr Immelt no doubt learning at his side.
Charlie used the pick-strum style he'd no doubt learned from Carter Family records, but Maybelle Carter never played this fast.
John Paul's mistake, no doubt learned in communist Poland, was to confuse honest disagreement with unacceptable "dissent".
Back in the gas line, Mr. Bush would no doubt learn how patient Africans need to be, and how shrewd.
Leo Leigh, meanwhile, no doubt learned a few things about going for the audience's jugular from his dad, Mike.
Soon we will no doubt learn whether a fraction more, or less, gained A*s compared with last year and in which subjects.
While forced marriage is not exclusive to south Asian cultures, he has, no doubt learned about the practice from his constituents.
Carpet-knotting of the highest quality, no doubt learned from Persia, cannot be proved to date before the 17th century, but it may have started at a much earlier date.
Michael Bloomberg is no doubt learning a comparable lesson as he eases into his role as the first New York City mayor to have control of the largest school system in the United States.
Blind, no doubt learning from earlier errors, played a short corner to Juan Mata and his inviting cross was headed against the bar by Fellaini, towering above the Liverpool centre-backs Mamadou Sakho and Kolo Touré.
