evidence: He cast the investigation as a "truth-seeking mission" rather than a partisan endeavor, but also bragged that out of all the investigations that House Republicans have launched into the Biden administration in the last two years "this investigation is the one they fear the most because they know … they were wrong." Most assessments have concluded Trump and Biden share blame for the disastrous end to the 20-year war, which saw enemy Taliban take over Afghanistan again before the last American troops even flew out of the Kabul airport. Over 2000 U.S. troops were killed in Afghanistan. House Speaker Mike Johnson, Senate Majority Leader Chuck Schumer,(D-N.Y. and Senate Minority Leader Mitch McConnell attend a Congressional Gold Medal ceremony honoring the 13 American service members killed during an attack at the Kabul Airport during the U.S. withdrawal from Afghanistan in August 2021. Photo by Annabelle Gordon/ Reuters The main U.S. government watchdog for the war points to Trump’s 2020 deal with the Taliban to withdraw all U.S. forces and military contractors as "the single most important factor" in the collapse of U.S.-allied Afghan security forces and Taliban takeover.