Looking for traction, second-tier candidates question Gingrich, Romney on conservative traits

WASHINGTON — Mitt Romney and Newt Gingrich’s trailing rivals derided the leading presidential contenders on Sunday as insufficiently conservative, each trying to find a second wind in the race to become the Republican nominee with time running out before voting begins. Rep. Michele Bachmann of Minnesota combined the two leaders into a “Newt Romney” character. Rep. Ron Paul of Texas said Gingrich.