McCain appeals for GOP unity; Obama claims big Super Tuesday win

Clinton, McCain have the lead in delegate counts
Wednesday, February 6, 2008 | 12:30 p.m. CST; updated 10:59 p.m. CDT, Monday, July 21, 2008

WASHINGTON — Boosted by his big night, John McCain asked his loudest conservative critics Wednesday to “calm down” and support his Republican presidential candidacy, as Barack Obama and Hillary Rodham Clinton girded for more rounds of their protracted struggle for the Democratic nomination. Obama dared claim a “big victory” because he came from so far behind, but the spoils were closely divided and the bragging rights, shared.