President Joe Biden mixed up his European leaders during a series of fundraisers in New York, RadarOnline.com has learned. While reflecting on his first G7 summit as president following the Jan. 6 riots at the U.S. Capitol, the commander-in-chief referred to the late German chancellor Helmut Kohl instead of former Chancellor Angela Merkel. Biden said at two of three events that Kohl, who died in 2017, had asked him how he would respond if he read about people storming the British Parliament and killing officers “to stop the election of a prime minister.” Merkel notably attended the 2021 summit…