O'Malley: Yes. Busy season, with speeches to Democrats in California in March, Wisconsin in April, Massachusetts in May, Iowa in June, Nebraska in July, more. "I'm going to do quite a bit more traveling this summer ... supporting like-minded Democrats in states with important races," he wrote in a May fundraising letter from his political action committee. Appeared with Bill Clinton at Clinton Global Initiative America event in Colorado in June; Clinton called him a "terrific governor." Was Democratic governors' chairman for two years until December 2012.
Bush: Doing more this year politically after a long period of "a little self-restraint." Already a GOP establishment favorite; House Speaker John Boehner has been nudging him to run. Recent travels to Tennessee, New Mexico, Nevada and Texas. Endorsed GOP establishment favorites in North Carolina Senate and California governor primaries. Skipped Conservative Political Action Conference in March, after giving keynote speech to the influential group a year earlier, and declined to address Faith and Freedom Coalition in June.
Christie: Yes, more than 20 out-of-state appearances in at least states as chairman of GOP governors group. Bolstering his political network in important primary states. Spring speech pleased activists at Conservative Political Action Conference, which snubbed him last year because he'd been too chummy with President Barack Obama in Superstorm Sandy's aftermath. Addressed Republican Jewish Coalition spring meeting in Las Vegas, spending a full day with top donors and GOP operatives, and courted Christian conservatives at Faith and Freedom Coalition.
Cruz: Yes, vigorously. Gave well-received speech and won presidential straw poll at Republican Leadership Conference in New Orleans in late May. Was among headliners of Western Republican Leadership Conference in Utah in April, the same month he addressed the NRA's April leadership forum by video. Addressed Conservative Political Action Conference in March, after landing group's coveted keynote role in 2013, and Faith and Freedom Coalition in June. Addressed 2012 Republican National Convention before he was even elected to the Senate.
Jindal: Big time and small time, far and wide. Told Faith and Freedom Coalition he senses a "rebellion brewing" from Americans ready for a "hostile takeover" of Washington. Addressed South Carolina GOP dinner as well as Iowa convention in June, May commencement address at Liberty University in Virginia, a familiar stop for prospective candidates. Addressed NRA annual leadership forum in April, Conservative Political Action Conference in March, also in 2013. Made time for fundraiser for local sheriff in Michigan. Altogether, has spent much of his time during six years as governor on the road, talking to GOP and activist groups, supporting Republican candidates and promoting achievements. Has close ties with social conservatives. Created political action committee to help conservative candidates running for Congress, giving him continued opportunities to network nationally.