RICHLAND — Mushtaq Jihad has endured so many blows.
He was kidnapped and beaten in his native country of Iraq, then targeted for years as he sought justice.
He lost his leg in a blast that also killed his infant son.
Then he was shot and left for dead.
Now, in his new home in America, Mushtaq faces yet another trial: leukemia. He was diagnosed about five months ago.
The 41-year-old, who shares an apartment in Richland with his wife…