While executives at T-Mobile and MetroPCS may be ready to close their merger, some shareholders aren't -- major advisory firm Institutional Shareholder Services has been recommending that MetroPCS investors vote against the deal unless T-Mobile can sweeten the pot. Consider it sweetened. T-Mobile's parent Deutsche Telekom has made a "final offer" that would slash the debt owed by the post-merger company by $3.8 billion (to $11.2 billion), reduce the interest rate on that debt by half a point and prevent Deutsche Telekom from s
