* Conservative senator “comfortable” with Romney
* Candidate tries to overcome suspicion
* Presses fiscal conservative themes
By Steve Holland and Thomas Ferraro
WASHINGTON, March 22 (Reuters) – Mitt Romney, sensing the U.S. Republican presidential nomination will be his, is working behind the scenes to try to unify conservatives behind him and he may be gaining some traction.
Romney’s objective is to ease conservative doubts about his candidacy raised repeatedly by chief rivals Rick Santorum and Newt Gingrich, [...]




