US Vice President Kamala Harris takes to the stage at the Democratic National Convention on Thursday, the culmination of the four-day celebration of the party’s candidate in the fight against Republican Donald Trump for the presidency. Harris, who only entered the race a month ago after President Joe Biden dropped his bid, will have her biggest opportunity yet to sway voters when she delivers her speech in Chicago to formally accept her party’s nomination. While the Democratic faithful are feeling unified and invigorated by her campaign, a chief task for Harris going forward is winning over mo…