President Barack Obama will deliver his 2010 State of the Union address on Jan. 27 at 9 p.m., White House Press Secretary Robert Gibbs announced Monday.Obama will then unveil his budget blueprint on Feb. 1, according to a White House official. The White House’s decision to hold the State of the Union in January may shed some light into the passage of health care reform. Democrats are on edge as they await the outcome of Tuesday’s special election to succeed the late Sen. Edward Kennedy (D-Mass.) where GOP candidate Scott Brown is surging against Attorney General Martha Coakley (D). Democrats had initially hoped to pass health care reform in January. Democratic negotiators are continuing to slog through details of the bill as they try to resolve the House and Senate versions.Republican are seeking to cast the Massachusetts vote as a referendum on the president’s agenda in general and the health care bill in particular.