By Jessica Frank-Keyes Last night, Shadow Chancellor Rachel Reeves delivered the prestigious Mais Lecture. She wasn’t the first female Labour shadow Chancellor to make the address, as that honour went to her predecessor Anneliese Dodds. But with Reeves likely to take up the mantle of the UK’s first female Chancellor, following an election set for later this year, the speech was a key window into her economic thinking. So, here are five things we learned from the Mais Lecture….Fiscal rulesReeves pledged Labour would continue with the Conservatives current fiscal rule that public debt must be fa…