When a nation loses lives as Kenya did in the al-Shabaab attack on KDF forces, it can be heart- wrenching for all but it can also make people lose their ability to think straight. Knee- jerk reactions are typical and this can take the place of shrewd, hard-nosed judgment. Here's why Kenyans should not lose track of the big picture behind the KDF mission in Somalia, irrespective of political lines.