WASHINGTON (AP) -- Drawing a bright line with congressional Republicans, President Barack Obama is proposing $1.5 trillion in new tax revenue as part of his long-term deficit reduction plan, according to senior administration officials. The president on Monday will announce a proposal that includes repeal of Bush-era tax cuts for the wealthiest taxpayers, nearly $250 billion in reductions in Medicare spending, $330 billion in cuts in other mandatory benefit programs, and savings of $1 trillion from the withdrawal of troops from Iraq and Afghanistan, the officials said. The plan includes no changes in Social Security and does not include an...