作为总统乔·拜登在周五的七国集团峰会上与亲密盟友会面，这是他首次登上世界舞台，他最伟大的任务完成了，但事实很简单，他没有唐纳德·特朗普。
特朗普的“美国第一”外交政策延续了四年，打破了美国作为全球倡议世界领袖的长期地位，拜登的访问与其他任何事情一样，都是为了恢复正常。
“在前进的每一点上，我们都要表明美国回来了，”他周三在抵达海外后对驻扎在英国的美国军队发表的第一次讲话中说。
拜登说:“世界上的民主国家正站在一起应对最严峻的挑战和对我们的未来最重要的问题，我们致力于以实力领导，捍卫我们的价值观，为我们的人民提供服务。”
乔·吉登斯/WPA泳池/盖蒂影业
乔·拜登总统在萨福克郡的英国皇家空军米尔登霍尔空军基地向美国空军人员发表讲话.
对于将于周五在康沃尔倡导多边主义的七国集团(G7)成员来说，这些话令人放心，他们将共同致力于全球疫苗接种运动，并宣布共同支持15%的最低企业税率。
对多边主义的不信任已经不复存在，而多边主义是特朗普不可预测的政策转变和个人利益的标志和亲密的盟友拍。
2018年七国峰会特别混乱。特朗普出了名早退拒绝了联合公报。一张著名的照片捕捉到了那次峰会的紧张气氛，照片上，这位前总统双臂交叉坐着，德国总理安格拉·默克尔倾向特朗普，其他领导人挤在一起。
讲义/盖蒂图像，文件
德国总理安格拉·默克尔在场外与美国总统唐纳德·特朗普交谈
拜登行程的下一站是在布鲁塞尔参加北约峰会，他将回到熟悉的信息上，这些信息是联盟长期以来认为美国领导人理所当然的，但在特朗普的领导下受到了质疑。
这位前总统不时质疑北约的效用，威胁其他成员增加贡献，并在2017年第一次访问北约总部时，对北约联盟发出冲击波，显示出美国最初不愿意明确表达对北约基本的第五条集体防御条约的承诺。
拜登将代表回归正常。
他将强烈重申美国对联盟和第5条的承诺，在9.11袭击后，第5条在美国防御联盟的历史上只被激活过一次。
拜登在布鲁塞尔时，他的国家安全顾问告诉记者，他将“当然”重申他对盟国共同防御的坚定承诺。
“他觉得有必要尽可能多地重申对第5条的支持，因为对他来说，这是一条信念——对乔·拜登总统和美利坚合众国。所以他会大声而自豪地宣布，”杰克·沙利文说。
凯文·拉马克/路透社
乔·拜登总统谈到他的政府承诺捐赠5亿剂P
在他旅行的最后一站，对一个高风险峰会俄罗斯总统弗拉基米尔·普京(Vladamir Putin)正处于紧张局势加剧和一系列来自俄罗斯本土的针对美国的网络攻击之际，他的前任和普京之间不会有一丝舒适的迹象。
拜登已经明确表示，当他与普京坐下来时，他不会退缩。
拜登周三在与俄罗斯领导人的峰会上开玩笑说，他计划“让他知道我想让他知道的事情。”
“我们不寻求与俄罗斯发生冲突。我们想要稳定的、可预测的关系。拜登说:“我们两国分担着难以置信的责任，其中包括确保战略稳定和维护军备控制协议。
Biden's most important message overseas: He's not Trump
As PresidentJoe Bidenmakes his presidential debut on the world stage, meeting with close allies at the G-7 summit Friday, his greatest task is accomplished by the simple fact that he is notDonald Trump.
Following four years of Trump’s "America First" approach to foreign policy that unmoored the United States’ long-held position as the world leader on global initiatives, Biden’s trip, as much as anything else, is about a return to normal.
"At every point along the way, we're going to make it clear that the United States is back," he said Wednesday, in his first remarks after touching down overseas, addressing U.S. troops stationed in England.
"Democracies of the world are standing together to tackle the toughest challenges and the issues that matter most to our future, that we're committed to leading with strength, defending our values, and delivering for our people," Biden said.
Those are reassuring words for members of the G-7, who are set to champion multilateralism in Cornwall on Friday, making a shared commitment to a global vaccination campaign and declare their shared support for a minimum corporate tax rate of 15%.
Gone is the distrust of multilateralism that was a trademark of Trump’s unpredictable policy shifts and personal spats with close allies.
The 2018 G-7 summit was particularly chaotic. Trump famouslydeparted earlyand rejected a joint communique. The tensions of that summit were captured in a famous photograph showing the former president seated with his arms crossed, as German Chancellor Angela Merkel leans toward Trump and other leaders stand huddled around.
On the next leg of Biden’s itinerary, a stop in Brussels for a NATO summit, he will return to the familiar messages that the alliance had long taken for granted from American leaders but had come into question under Trump.
The former president sent shockwaves through the NATO alliance by at times questioning its utility, making threats to other members to increase their contributions, and during his first visit to the NATO headquarters in 2017, showing initial reluctance to explicitly express the U.S. commitment to the alliance’s bedrock Article 5 collective defense treaty.
Biden will represent a return to normal.
He is set to strongly reaffirm the United States’ commitment to the alliance and Article 5, which has only been activated once in the history of the alliance in defense of the U.S. following the attacks of Sept. 11.
When Biden is in Brussels, his national security adviser told reporters it is a given he will "of course" reiterate his strong commitment to the allies' common defense.
"He feels the need to restate support for Article 5 as often as he is able to do so because for him, it's an article of faith -- for President Joe Biden and for the United States of America. And so he will proclaim that loudly and proudly," Jake Sullivan said.
On the final stop of his trip, for ahigh-stakes summitwith Russian President Vladamir Putin that comes amid rising tensions and a string of cyberattacks on the U.S. emanating from Russian soil, there won’t be a hint of the coziness that existed between his predecessor and Putin.
Biden has made clear that when he sits down with Putin, he won’t hold back.
Teasing his summit with the Russian leader, Biden said Wednesday he plans to "let him know what I want him to know."
"We are not seeking conflict with Russia. We want a stable, predictable relationship. Our two nations share incredible responsibilities and, among them, ensuring strategic stability and upholding arms control agreements," Biden said.
