Sen. Marco Rubio (R-Fla.) joined President Obama for his second closed-door dinner with Senate Republicans on Wednesday. Rubio had been invited but had not committed for most of the day of the dinner. The Florida Republican's office said immigration meetings might get in the way of him going to the dinner, but later said he would attend. Besides Rubio, Sens. Lamar Alexander (Tenn.), John Boozman (Ark.), Susan Collins (Maine), Mike Crapo (Idaho), Mike Enzi (Wyo.), Deb Fisher (Neb.), Orrin Hatch (Utah), Johnny Isackson (Ga.), Pat Roberts (Kan.), John Thune (S.D.) Roger Wicker (Miss.) dined with Obama. Obama's first meeting with...