Financial responsibility is a crucial skill for Senate GOP Leadership candidates to display as the United States Senate GOP Leader must properly invest money into key 2026 U.S. Senate races that will decide if the GOP keeps their new Senate majority. Mitch McConnell groomed John Cornyn and John Thune’s past spending in the 2024 election proves to GOP voters that Thune and Cornyn can’t be trusted to manage the Senate GOP’s war chest in the 2026 midterms. John Cornyn’s PAC, The Cornyn Victory Committee, and John Thune’s PAC, New Heights Action, dumped money into failed Trump-hating United States Senate candidate Larry Hogan, who did not want Trump’s endorsement after he received it and refused to vote for Trump in the general election. Imagine if Thune and Cornyn’s PAC donations went to the United States Senate races in Wisconsin, Arizona, Nevada, and Michigan. Thune…