BRUSSELS — The European Union needs to draft in Mario Draghi, the mastermind behind reforms to revive its single market, to ensure that member countries rally behind efforts to boost growth and prosperity, a senior European lawmaker said Tuesday. Member countries should “mandate Draghi” to build political consensus for reform and pierce through national “deep state” resistance to force a radical rethink of the single market project, Pascal Canfin, a French Renew MEP, told POLITICO’s Competitive