The Pentagon's Overseas Contingency Operations account, derided by critics for years as a "slush fund," has become the subject of renewed scrutiny on Capitol Hill and could be headed toward a reckoning this week when the White House proposes President Biden's first defense budget. Multiple congressional sources said signs are pointing to the Defense Department's $69 billion OCO account being transferred to DOD's base budget when the Biden administration submits its fiscal year 2022 budget request. The White House Office...