Illustration: Eniola Odetunde/Axios The death of Rep. David Scott (D-Ga.) has reignited a debate among Democratic lawmakers and activists about the party's aging — and often ailing — leadership. Why it matters: Scott's death leaves the party down yet another vote at a high-stakes moment, some of his colleagues fumed on the condition of anonymity to speak candidly about the matter. "I will not be here at the age of 80 and I'm not quite sure why people feel that they should, but ... normal people are going to keep asking the question," one House Democrat told Axios. The lawmaker said it is "a liability problem" because "we need every f*cking vote we can get to stop this war in Iran, to ... protect the right for people to vote or to hold DHS accountable." "It's a topic of conversation worth having," another House Democrat said. Driving the news: Scott's office announced Tuesday that he passed away at the age of 80 after serving more than 20 years in Congress.…