Georgia House candidate Marjorie Taylor Greene is coming under renewed scrutiny for her past racist rhetoric and embrace of conspiracy theories as she heads into Tuesday’s Republican primary runoff. Greene, who faces neurosurgeon John Cowan in the 14th Congressional District, has made a number of bigoted remarks, such as calling African Americans “slaves to the Democratic Party.” She has also embraced conspiracy theories like those put forth by QAnon. If Greene wins on Tuesday and in November, she would be the first open QAnon supporter elected to Congress.And while House GOP leaders have condemned videos showing Greene making racist and...