FORT COLLINS, Colo. — First-term Rep. Betsy Markey is convinced that once people learn what's in President Barack Obama's new health care overhaul law, they'll support it. But it's not a message she was eager to carry in person to her constituents in Republican-leaning eastern Colorado. During Congress' two-week Easter break, she reserved any discussion of health care reform for conference calls, an op-ed piece and an appearance at a small-town Rotary Club — all small-bore outreach. After the raucous, angry town halls of last summer, Markey steered clear of massive gatherings. She was not alone. Tough votes for Obama's...