On Twitter, Obama puts question mark over mortgage deduction

WASHINGTON (Reuters) – Taking to Twitter to press his case in "fiscal cliff" talks with Congress, President Barack Obama said on Monday that tax breaks benefiting middle class families such as the mortgage interest deduction could be at risk if rates for top earners do not rise. Obama is locked in negotiations with Congress to prevent a year-end fiscal crunch. If the administration and lawmakers fail to agree, across-the-board tax hikes and spending cuts would go into effect that analysts say would tip the economy back into recession. …