Scarlett Johansson parodied Sen. Katie Britt’s, R-Al., Republican response to President Joe Biden’s State of the Union in an “SNL” cold open.In a Thursday night speech from her kitchen, Britt lambasted Biden over a border crisis she said he “invited,” and a country she said was more dangerous than it was four years ago. In a dark turn, Britt appeared to blame Biden for the murder of Laken Riley, the 22-year-old nursing student whom the president earlier said was murdered by an “illegal” during an unscripted moment of his speech. She also told a story about a victim of human…