Jerod Harris/Getty ImagesLaura Dern does an excellent Kristen Wiig impression.The Oscar winner channeled the Saturday Night Live alum at the Television Critics Association press conference Monday morning, which Wiig was unable to attend due to COVID.“Good afternoon, esteemed colleagues, I am beyond sad to miss this day, the launch of our show,” Dern said, reciting a letter that Wiig wrote. The pair co-star in the upcoming series Palm Royale, which will premiere on Apple TV+ Mar. 20.“In fact, you