BostonGlobe.com Political Headlines - January 16, 2013

• Patrick expected to seek increased income tax: Governor Patrick is set to propose an increase in the state income tax as part of a plan to raise new revenue for transportation and education. Globe politics reporter Michael Levenson and Metro reporter Eric Moskowitz detail.

• Kerry faces scrutiny over extensive investments: Senator John Kerry and his wife hold an array of international investments that could pose conflicts of interest for him as secretary of state. Globe Washington bureau reporter Bryan Bender and Globe correspondent David Uberti report.

• US attorney's husband stirs Twitter storm on Swartz case: A post by the husband of US Attorney Carmen Ortiz about the death of Aaron Swartz prompted an outpouring of protest and vitriol on Twitter. Globe Metro reporter Shelley Murray outlines.

• Capuano won't seek Kerry's seat in Senate: Representative Capuano's announcement removes a huge hurdles for Democratic colleague Edward S. Markey. Globe politics reporter Frank Phillips and Boston.com editor Glen Johnson cover.

• $2.5b school aid plan outlined by Governor Patrick: Governor Patrick proposed to sharply increase spending on public education by more than $2.5 billion over the next four years. Globe education reporter James Vaznis and Metro reporter Akilah Johnson explain.

• Questioning the price of solitary confinement: A bill to be filed in the Mass. Legislature would curb the practice, which former prisoner Bobby Dellelo has first-hand experience with. Globe columnist Adrian Walker profiles.