By Colleen Long And Susan Montoya Bryan THE ASSOCIATED PRESS WASHINGTON (AP)-President Joe Biden will sign an executive order on Wednesday during a tribal nations summit that aims to make it easier for Native Americans to access federal funding and have greater autonomy over how to invest those funds. “Tribal nations still face unacceptable barriers to fully exercising their inherent sovereignty, and really too often that occurs because of the way we are administering federal funding programs,” said Neera Tanden, White House domestic policy adviser. Historically, Tanden said, federal policies attacked Native people’s rights to self-governance and caused lasting economic damage. The Biden administration is working to undo that damage, she said. The order in part creates a clearinghouse for Native American tribes to find and access federal funding, and…