Militant-themed messages and speeches laced with fear mark political dialogue . Lawmakers on both sides of aisle call on colleagues to tone it down . Charged speech not to blame for Arizona attacks . Comment: Health care debate looms again in House ; it could be volatile .
Militant-themed messages and speeches laced with fear mark political dialogue . Lawmakers on both sides of aisle call on colleagues to tone it down . Comment: Health care debate looms again in House ; it could be volatile .