Vice President Kamala Harris has pulled ahead of former President Donald Trump in three critical battleground states of Michigan, Wisconsin and Pennsylvania, according to a newly released poll. Harris has a 4-point lead over Trump in each state among likely voters — 50% to 46% — in surveys conducted between Aug. 5 and Aug. 9 by the New York Times/Siena College poll. The surveys reflect a dramatic reversal since President Joe Biden ended his campaign last month and endorsed Harris as his successor. For months polls had been showing Biden and Trump tied in the battleground states, or Trump with …