Romney says he may release tax returns in April

MYRTLE BEACH, S.C. (AP) — Mitt Romney's four remaining challengers are keeping the spotlight on the Republican front-runner's wealth and business dealings by pressing him to release his income tax returns. Romney says he might make them public in April. By then, he hopes to have the presidential nomination in the bag.

AP Photo/David Goldman

Republican presidential candidate former House Speaker Newt Gingrich, right, speaks during the South Carolina Republican presidential candidate debate as former Massachusetts Gov. Mitt Romney, left, listens Monday, in Myrtle Beach, S.C.

His ri...