. John McCain, casting himself as the embodiment of the Republican Party's future in the vein of Ronald Reagan, said Thursday the GOP has lost its way and must return to "common-sense conservatism." "Though we suffered a tough defeat last week, we will recover if we learn our lesson well and once again offer Americans enlightened, effective and principled leadership," the Arizona Republican said in a speech that laid out his vision for the party's path forward — and could set the tone for a potential presidential campaign. The same day he launched a committee to explore whether to run...