Image by Roberto Schmidt / AFP via Getty / FuturismPresident-elect Donald Trump hasn’t yet been sworn in, but his advisor and major financial backer Elon Musk has already killed a bipartisan bill that would have provided money for pediatric cancer research.As political journalist Sam Stein reports for The Bulwark, Congressional GOP leadership has kowtowed to Musk’s pressure and kiboshed the budget proposal meant to keep the government open and fund essential functions.In a barrage of posts — including a 4:15 AM tweet on Wednesday morning — the X-formerly-Twitter owner insisted that…