Is the State court of last resort and U.S. Court of Appeals decision which denied petitioner's claim that he was deprived of his Sixth Amendment right to effective-assistance-of-counsel conflict with this Court's decision in Strickland that counsel has a duty to investigate the substance of a key eyewitness' testimony?

QUESTION(S) PRESENTED 1. Is the State court of last resort and U.S. Court of Appeals decision which denied petitioner’s claim that he was deprived of his Sixth Amendment right to effective assistance of counsel conflict with this Court’s decision in _ Strickland that counsel has a duty to investigate the substance of a key . eyewitness’ testimony? . 2. Is the U.S. Court of Appeals and Eastern District Court’s decision that denied petitioner’s claim on the improper jury instructions on reasonable . doubt was time-barred conflict with this Court’s decision in In re Winship, ' Carrier, and Strickland because the failure to raise this issue was due to PCRA counsel's ineffectiveness? | ii