But most analysts believe growing campaign pressure and Capitol Hill's cavernous ideological divide will combine to make further legislative progress nearly impossible.
The breakthrough was announced in a corridor of the cavernous U.S. Capitol building, which was devoid of all but security guards, reporters and key congressional aides.
He's found himself pacing his new apartment, mentally mapping the exhibition halls of Venice's cavernous Arsenale compound on to the floors and walls of his St.