Jindal: Privatized much of Louisiana's Medicaid program, shrank public hospital system, signed statewide voucher program that covers private school tuition for certain students. Signed abortion restrictions, fought liberalization of adoption law, making it impossible for gay couples to adopt jointly. Hurricane and Gulf oil spill disaster response.
Paul: One-man, nearly 13-hour Senate filibuster to protest drone policy put him at forefront of civil liberties debate.
Perry: "Texas Miracle" job-creation boom has seen state create a third of the net new jobs nationwide over last decade, although Texas has disproportionately high percentage of hourly workers earning minimum wage or less. Helped muscle through new abortion restrictions.
Rubio: Broker of Senate immigration overhaul, though he's gone quiet on the issue. Early leader of effort to link financing of health care law to government shutdown. Working with anti-abortion groups on Senate version of bill that would ban abortions after 20 weeks.
Ryan: Negotiated December 2013 bipartisan budget deal that scaled back across-the-board spending cuts, drawing contrast with potential rivals who opposed it. Budget-hawk record to be judged on. Emerging as influential moderate on immigration.
Santorum: Making Christian-themed, family-friendly movies at the moment; record from Senate days.
Walker: Curbs on public service unions became national flashpoint, but he won the effort — and the recall election that followed.
TAKE A NATIONAL STAND: Effective state governance is nice but leaders must build national stature on issues of the day.
Biden: Eclectic. Guns, violence against women, gay rights, veterans.
Clinton: Eclectic. 2013 speeches focused on the economy, housing, opportunities for women, voting rights.
Cuomo: Environmentalists nationally and the energy industry are closely watching his pending decision whether to allow fracking in upstate New York counties near the Pennsylvania line.
O'Malley: The liberal checklist: more spending on education, infrastructure, transportation; supports same-sex marriage, immigration reform, repealing death penalty, pushes environmental protections.