national journals josh kraushaar will join us and take a look at last night.er on, we will hear from public and congressman rob wittman on related issues. washington journal continues after this. ♪ >> 50 years ago, the united states was at war in vietnam and this veterans day weekend, american history tv looks back with 48 hours of coverage. starting saturday at 8:00 eastern, we are live in the national archives among the backdrop of three vietnam era helicopters to talk with veterans who flew them. we are taking your phone calls and tweets live. at 1:00 from washington, d.c.'s vietnam veterans memorial, a ceremony featuring remarks by former defense secretary chuck hagel. on sunday at 4:00 eastern on real america, a 1967 cbs news vietnam war special report. >> whether it is due to the mac -- enemy's clever tactics for the fighting conditions, it seems clear that the american down, likes bogged marines in the mud. >> then at 6:00 on american artifacts, we will tour the national archives exhibit, remembering vietnam. at 8:00, on the presidency, the 1967 preside