Thousandths Of A Percentage Point Separation In Iowa Recanvass

The Iowa Democratic Party released close results for the presidential candidates, with Pete Buddha judge slightly leading Bernie Sanders. Both campaigns are considering a recount, which could affect delegate numbers for the National Convention. The Associated Press has not declared a winner due to potential inaccuracies in the results.

What is still unclear about Buddha's campaign in relation to the recount?

Why has the AP not declared a winner of the Iowa caucuses?