President Donald Trump’s push to fast-track energy and infrastructure projects could be undercut by an Environmental Protection Agency (EPA) veto authority that allows the agency to block projects even after permits are issued.EPA’s veto authority stems from Section 404(c) of the Clean Water Act, which allows the agency to block or limit where dredged or fill material can be dumped if it determines the disposal could cause "unacceptable adverse effects." But the law sets no explicit time limit on that authority, leaving the door open to both preemptive and retroactive vetoes.And it has already...