segment and interim reporting

Determine the major differences between U.S. GAAP and IFRS disclosure reporting requirements related to each separately reportable operating segment. Next, give your opinion as to whether either U.S. GAAP or IFRS disclosures provide financial statement users the most useful information for investment or credit decisions. Provide support for your choice.
Speculate on at least three (3) accounting problems that exist under U.S. GAAP related to interim financial reports. Next, suggest at least one (1) approach to overcome each listed problem. Provide a rationale for your response.