President Barack Obama plans to ask Congress in early March, as part of his fiscal 2015 budget, to reduce some of the tax advantages for employer-sponsored retirement plans for higher-income earners, according to published reports. Plus, the president wants to limit the value of all tax deductions, defined contribution exclusions and IRA deductions to 28% of income — and include an overall cap on all retirement accounts, including pensions, that could bring in $1 billion a year in new tax revenue, according to a Pensions & Investments report. Read Companies bracing for 1-2 retirement punch . According to the report,...