hello, everyone. i m christiane amanpour. we will take you around the world to ask questions and tackle the big problems and let history be our guide. here is where we re headed this week. the united states fights fires on multiple fronts. will it win? a briefing from one of america s best-known generals, david petraeus. we face more challenges in number and more complex and more dangerous challenges than arguably at any time since the end of the cold war. also ahead, the imf chief optimistic about the u.s. economy. cheer up, this is a new year, people. then can you feel it rock star lenny kravitz on life, legacy and vying for an oscar. and from the archive, the anniversary of the pope s first visit to atheist communist cuba. welcome to the program, everyone. i m christiane amanpour. this year crises overseas could also tip the scales. first in ukraine where the war grinds on and president biden s request for emergency funding could die in congress.