US-Russia Tensions Rise as Trump Orders Nuclear Submarines to Move Closer

Introduction
In a recent social media exchange between the US president and Russia's ex-president, tensions have risen between the two countries. As a result, President Trump has ordered two nuclear submarines to move closer to Russia, causing concern among the international community. This move has also caught the attention of BBC's Steve Rosenberg, who has been closely following the situation.
Key Details
The decision to move the submarines closer to Russia has been met with mixed reactions. Some are concerned that this could escalate the already tense situation, while others see it as a necessary show of strength. This is not the first time that the US and Russia have engaged in a social media spat, with both leaders using Twitter to voice their opinions on various issues. However, this is the first time that such a direct military response has been taken.
Impact
The development of this situation has raised questions about the future of US-Russia relations and the implications it could have on global security. Some experts believe that this move could lead to further escalation and potential military conflict, while others argue that it is simply a display of power and not a real threat. Regardless, it is clear that this exchange has caused a stir in the international community and is being closely monitored by the media and world leaders.