Democratic strategist James Carville on Thursday suggested that Vice President Kamala Harris stop attempting to persuade voters that the economy is doing well. Former President Donald Trump holds a 13-point lead over Harris on who voters believe would manage the economy more effectively, according to a New York Times/Siena College poll published on Sept. 19. Carville, on his “Politics War Room” podcast, advised Harris to shift her focus to highlighting the potential dangers of Trump’s economic policies, like tariffs, instead of running on her and President Joe Biden’s economic track record. Re…