reasoned that Petitioner would have had to obtain his birth certificate before applying for his social security card. The district court took judicial notice of geographical distances to conclude that “[i]t would have been extremely difficult, if not impossible” for Petitioner to have retrieved a birth certificate from his mother in El Fuerte, prior to applying for a social security card in Calexico, California, on May 23, 1953. From there, the district court concluded that Petitioner must have obtained his Reynaldo Mondaca birth certificate “at some location near the border between the United States and Mexico on either May 22nd or May 23rd.” There is no evidence in the record to support the district court’s conclusion that Petitioner obtained his birth certificate in t 06) (<HOLDING>). 4. The district court also speculated that
holding that mere conjecture or speculation is insufficient under a preponderance standard holding that speculation and conjecture cannot support an adverse credibility finding holding that the ids disbelief of zhous testimony was  based on speculation and conjecture about zhous position in chinese society and what someone in that position would or would not do holding that burden of clear and convincing proof cannot be satisfied by mere conjecture or speculation holding that the bias disbelief of chawlas decision  was based on speculation and conjecture about what someone in chawlas position would or would not do