This an item from Political Wire so let me give them their Hat Tip up front.
Sources close to former Secretary of State Colin Powell cautioned that his support for Sen. Barack Obama over Sen. John McCain “might stop short of a formal endorsement when he’s interviewed on NBC’s Meet the Press Sunday,” according to the New York Daily News.
“Given Powell’s cautious nature, he might decide to make his endorsement of Obama implied, rather than explicit. Even so, a well-informed source told the Daily News: ‘After Sunday people aren’t going to have any doubt who he’s voting for.'”